we will need a little more information than that.
how much Ram?
make/model/size of the SSD?
is it plugged into a SATA 2 or 3 slot? Either should feel pretty snappy, but SSD on SATA1 could feel a might bit sluggish.
Are you running in IDE, RAID, or AHCI? AHCI is what you want for max performance. RAID can work well too if you are on a newer Intel motherboard that allows TRIM commands to pass though.