It is now getting more affordable to get Solid State Drives(SSD). Buy.Com is selling Crucial 512GB SSD for $339.99. Hit the link for more info.
Check out the Speed Test Videos below and a descriptive video on the advantages of the Crucial Solid State Drives.
Start Up Speed Test – Intel Rapid Start Technology with Crucial M4 SSD
SSD or HDD or RAID? (crucial M4 vs WD 1TB vs RAID 10)