Building An Alienware M5700 Laptop

Well, I've finally decided for a change and build up a laptop. So, I was thinking about purchasing an Alienware M5700 barebones kit. Now, finding a suitable processor (probably a Core 2 Duo Intel) is not a problem. And finding 2 1GB sticks of RAM seems to be readily available as well. Hard drive for it (or should I say hard drives) isn't a roadblock neither.
The problem I seem to be having is finding an Nvidia GeForce GO6800 card. (I say the GO6800 over the GO6600 because I'd like to have at least 256MB for video memory, unless I can find a 512MB one that will work).
Other than that, I was wondering if anyone had suggestions on a capatible optical drive, perferrably a DVD+/- Burner? The person who I'd be buying the barebone kit from said Samsung, but I was wondering if the models that Samsung offers would make a difference. I know with desktop computers it really doesn't make a difference seeing as I have more experience working on my home pc than laptops. I do need something portable though.
So, if somebody here could point me in the right direction for the optical drive and ESPECIALLY the video card, it would be most appreciated. I've checked eBay, seems that the GO7590 cards are overunning it at the moment.

Sincerely,
Brian

Well, just a couple of updates on my situation. I'm hoping to be close to purchasing the actual kit next week if I'm lucky on payday. I found a great deal on a 2GB RAM memory set by Crucial and two 160GB Western Digital Scorpios. I thought penciling in an HP Lightscribe drive was in order as well. As for the 7900GS video card, I'll be getting one for this beast soon, too.
Other than that, that leaves me with processor choices. Now, someone had previously mentioned a Sonoma cpu (by Intel), what processors are these? I found a few good ones that might be of interest such as a 3.20Ghz hyper-threaded one or a 3.33GHz one. Both of those are classified as Intel Mobile Pentium 4 - M on 478-pin packages. Would these work? I can get more information if needed. I'm looking for the best possible performance with money being no object.

-Brian

Another quick not related to the processor, I was thinking about maybe upgrade the screen to the 1920 x 1200 version, how much difference would it be? Would it be worth it? More or less, where would I start looking (minus eBay, been there done that)? I found some on eBay, but not sure if any are compatible with the m5700. Thanks again.

-Brian

Wow, all I can say, truely is wow. I ordered the barebones kit late Sunday and had it here Thursday (mainly a bit behind due to signature requirments of FedEX). And this thing was great looking. Perfect condition, believe me I looked at it with a critical eye. Came with everything minus the processor, video card, hard drives, and optical drive as promised.
I took a look at the insides and it looks like it will be super easy to work on, which is good. This thing is huge compared to my Dell Inspiron 1200 laptop. I never knew the difference those extra 3.1 inches would make. Keyboard and touch pad may take a while to get used to, mainly due to because I'm working with desktops all day long.
My father who's not even into computers thinks it total rocks, especially the blue lighting through out it. Oh yeah, it even came in the Alienware packaging, too, which was kind of neat. And man, was it packed greated. I couldn't have packed it any better myself. So, forgive me, but I'm a bit excited to give this beast a test run, just have to get the other parts. So, next up, will be the video card. I'll post here again and let everyone know how that goes.

-Brian

So, now that it's here and I'll be in the process of buying the rest of the parts shortly, I'm looking for a suggestion. Mainly, what kind of processor should I use? I have a general knowledge of them, but I understand there are physical differences and voltage requirments and what not.
I looked the famed Pentium M 780 up on eBay and they're going for more than the dual-cores now at $695.00 low end and $700+ high-end, but yet the 770 ones range from $205 to $504. I think the speed loss would not be that big of a deal with the money saved. I saw a 780 on there last night which quickly ended for $225.00, knew I should have jumped on that instead of waiting until morning.
I don't suppose that a Mobile P4 3.20GHz (SL7DU) processor with hyper-threading would work due to the different stepping requirments and other differences, eh? It's cache size is 1MB instead of 2MB, but the FSB is 533MHz like the 780. But, I believe that the manufacturing technology and core stepping would be the problem, heck probably even the thermal design power and specification. But, yet, they have similiar pin-types, 478, so that's why I present the question. But, if it's possible, I'd go this route instead of paying out the wallet heavily for a processor. Heck, I'm already going to pay almost $500 for a go7900GS video card!
Anyway, I appreciate the answers. You're advice will not go answered because I am a desktop building that's in want to learn about the fun of laptops. Thanks again in advance.

-Brian