In case this is of any use to others, I found a fix on Microsoft Support site. The solution proved to be a lot easier than I thought.
http://support.microsoft.com/kb/299357
I've had some problems connecting to the net through my Belkin wireless router. After their support had tried changing settings and connecting through a static IP, I was advised to contact my laptop manufacturer to reset the tcp/ip...
My 7800GTX runs fine at over 90C, the really demanding games cause it to throttle back at over 100C, but the worst that happens is the game gets a little choppy - no crashes.
I'd suspect bad ram or driver conflict if you haven't...
The only way to get a flush bezel is to buy from Dell, any other optical drive will sit a couple of mm inside the line of your notebook.
If the look is so important, you can always take the bezel off your current Dell drive and fit it...
If you like messenger bags look at Crumpler or Pakuma (@eBags in the US).
You will find something that holds 17" notebook, PSU, Mobile phone, MP3 player and even overnight clothing. Not cheap, but won't advertise the fact fact...