Which one of these would give faster performance in Photoshop / Illustrator etc:
2 x 10K Raptors (RAID0) used for Startup + files + scratch space
or
2 x 10K Raptors (RAID0) used for startup + files and a 7500rpm 250GB drive for scratch space
2 x 10K Raptors (RAID0) used for Startup + files + scratch space
or
2 x 10K Raptors (RAID0) used for startup + files and a 7500rpm 250GB drive for scratch space