Why stop at 1 gig you ask?
Well because the computer works great as is for all the apps I use. I'm running IBM's version of XP with updates turned off. Experienced XP users know that keeping automatic updates on causes XP to need an ever increasing amount of memory over time. At some point that updating of XP causes the computer to get memory bound, ie, not enough ram so it starts running the virtual memory swaping non stop which can greatly slow your computer.
While the point made here is a fair one overall, I believe that what RBS
was referring to - and I'd be asking the same thing myself - is why not max the machine which is a high-end T30 to begin with. I've had them with 2GB RAM, 7200rpm drives and until it comes to video games (which I don't play anyway) or some serious streaming, these units are perfectly capable of performing almost anything you throw at them...and the upgrades are actually quite inexpensive nowadays...
My $0.02 only...
Your ThinkPad - your call.