It might void your warranty. Computer companies are stupid like that. But if you do it right (it would be hard to do it wrong), you shouldn't need the warranty for the CPU anyway.
Pin modding is just bridging two pins on a 400mhz FSB...
Why would you not do a pin mod? It's very easy with any 400mhz cpu from the 1.7 and below because you don't have to mod pins to get more voltage. You just jump two pins with a peice of copper wire. With the 1.7 you will get 2.26 Ghz for...
I always buy my computer hardware from Newegg. I was planning on buying the 1.7Ghz 735 Pentium M, and doing a pinmod for 2.26Ghz. I had it on my wishlist at Newegg, then yesterday it disappeared. The only Pentium M's they had yesterday...
Dude, save your money and get an Asus. They have a large range of notebooks for much cheaper than an Alienware and awesome quality. You won't be sacrificing anything.