Part 2 of SSD story comment.

3. Not all SSDs are created equal: be sure to check reviews and performance data from third parties before choosing maker, brand, and model. Here's where the Tom's charts mentioned will come in really, really handy.
4. On my two quad-core QX9650 systems, I put an Intel X25-M 80 GB into the X38 system and bumped the Windows Experience index on Win7 from 5.9 to 6.9. I put a Samsung 128 GB (relabled as SuperTalent) into the P35 system and bumped the same numbers from 5.9 to 6.7. That should give you some idea of the impact switching over to an SSD can deliver. I can post notebook numbers, if anybody's interested.

HTH,
--Ed--

Gosh! Length restrictions reallly, really limited how much I could say in this story, so I have a few items I'd like to add here.
1. For great performance and capability reviews of numerous SSDs, check out the Tom's Hardware Website (<a href="http://www.tomshardware.com)," target="_blank">www.tomshardware.com), especially their performance charts (<a href="http://www.tomshardware.com/charts/" target="_blank">http://www.tomshardware.com/charts/ and in particular 2009 Flash SSD charts at <a href="http://www.tomshardware.com/charts/2009-flash-ssd..." target="_blank">http://www.tomshardware.com/charts/2009-flash-ssd... Self-disclosure: I also write for this and other BestofMedia.com Web sites, but have never done flash drive reviews for them).
2. Be aware that there are two types of flash memory used for SSDs: single-level cell (SLC) and multi-level cell (MLC) flash. It used to be that SLC beat MLC hands down in performance and reliability, but thanks to introduction of multi-device SDD disk controllers (most notably, from Intel) that just ain't so any more.

See part 2 of this comment below.

HTH.
--Ed--