I edit photos all day so hopefully it will be fast. hehe
I couldn't justify the extra $800 for the 3.00 Ghz so I added extra ram instead.
2.66 GHz Dual-Core Intel Xeon
4GB 667 DDR2 FB DIMM ECC-4x1GB
NVIDIA GeForce 7300 GT 256MB
250GB Serial ATA 3Gb/s drive
500GB Serial ATA 3Gb/s drive
16x SuperDrive DL
Airprt Extrm & BT 2.0+EDR
Apple Keyboard & Mighty Mse
Mac OS X
Country Kit
and the 30in HD Display helped out some.