The comparison between the ColorSpace UDMA2 and HyperDrive Hard Disk for iPad.

HyperDrive Hard Disk for iPad (HDIP)	ColorSpace UDMA2 (HDU2)
No LCD Display screen	LCD resolution is 320 x 480
Compatible with CF, SD/SDHC and Memory Stick (all in FAT32 format only)	Compatible with CF, SDHC and SDXC
Support iPad only via iPad camera kit	Support iPad, iPhone or other tablets via WIFI adapter
Connects to computer via USB cable	Connects to computer via USB cable or WIFI
Files are imported to Photo album on iPad from HyperDrive, image or video file only	Files are imported to third party iOS app, such as "GoodReader" or "iFiles"
Can play .MOV, .M4V and .MP4 video file only in Photo album	Can play .MOV, M4V, MP4, AVI, MKV or etc in supported video player application