I would imagine with the hardware already in your posession that you wouldn't want to buy more, but just for information's sake, they have started to offer flash memory - based 2.5" IDE disk drives for laptops:
http://www.logicsupply.com/categories/flash_memory/flash_disk_drives
Yes I'm aware of those but these fast 8GB CF cards cost about 1/3 of the price of those flash memory devices of same size.