sonnet sata ii pci-x controller

greetings.

current setup:
- power mac g5 dual 2.7.
- internal drives: wd raptor 74gb (boot), seagate sata 160gb using apple's sata controller.

does anyone have any positive/negative experience with this controller card? it connect up to 4 internal and 4 external sata ii (3.0 mb/s) drives.

i want to attach 2 external sata ii drives in a raid 0 setup.

any input appreciated.

-buzz-

Powerbook G4 17 1GB, Power Mac G5 Dual 2.7 3.5GB, iBook 12 Mac OS X (10.4.2)