Depends on your time-frame. They are all good. AIT while not being replaced by S-AIT will be complemented by it. It's 0.5TB per cartridge, coming out this summer or sooner. If you want 0.5TB cartridges (I do for some video projects) here is the preference order as I see it: S-AIT LTO-2 AIT DLT Cheers, Richard At 11:09 AM 3/5/2003 +0000, Pip Laurenson <[log in to unmask]> wrote: >Does anyone have any thoughts regarding the pros and cons of the >different data tape formats? AIT, DLT, LTO?