Re: how much cash -- I don't really know, which is why I didn't give a firm number in the OP. I guess I'd say less than $200 but I could be flexible if there's something that could give me a real performance boost. I only spent $990 on this whole system, so I'm a bit reluctant to drop too much cash upgrading any one component unless it will make a huge difference.
On the subject of SSDs, yeah I was looking at those. Particularly the "OCZ Vertex Turbo OCZSSD2-1VTXT60G 2.5" 60GB SATA II MLC Internal Solid State Drive" for $239 from Newegg seems appealing. Or maybe it's 30GB version for only $100.
My only wonder on SSDs is how fast their price is coming down. Is that the sort of thing I could wait a few months on and end up saving a bundle on?
edited to add:
A bigger better monitor
Well, I have a Acer H213H 21.5 LCD that i'm happy with.
Well for less then 200 you could get another 4GB of ram...
On the SSD front I was just listening to the PC perspective podcast and they were talking about a 32gb SSD as a boot, but after win7 and office you don't have much room, (i.e. you wouldn't be able to install ME 2)
After a quick look on newegg this Corsair for 175 it's 64gb so it would make a good boot drive and I have heard it is like night and day
but I'm with proximon and it's still $2.75 a GB