Common tools to benchmark your HDD and SSD:
- HD Tune: http://www.efdsoftware.com/
- HD Tach: http://www.simplisoftware.com/
- PCMark05 for XP or PCMark Vantage for Vista
In your post, please state your HDD/SSD drive model, Operating System, Motherboard, and RAID card any (so we can easily search in the future).