The IDE drives with the fastest access time are the now defunct Quantum Fireball+ series, except for the most recent AS+ series. The KA+, KX+ and LM+ were all based on the their SCSI counterpart the Atlas series. The AS+ was built from the ground up as an IDE drive and didn't have the same low access times. All these drives except the AS+ (marketed by Maxtor as DM60+ drives I believe) are now pretty outdated and very difficult to find. The current mainstream drive to beat is the WD 1200BB, the top of the line cost is no obstacle IDE drive is the WD 1000BB SE (also called WD 1000JB). Unfortunately, the 1200BB only comes in a 120GB size, and the 1000BB SE only comes in 100GB. If you want something smaller, the Maxtor D740X (actually a Quantum drive) is probably the best choice.