I have an Intel X-25m-80. I installed it early February on Win7/64. Things were great -- everything was very fast.
Now, Windows is acting like it is running off plain HDDs. What used to be maybe a couple of seconds from typing in the logon password to having Windows fully waiting is now around 20+ seconds. Opening windows is fast, but not like it used to be.
Reformat? Check settings?
I can confirm defragmentation has never run. Also, find below a disk access util statistics on the drive: