Want all the space you can get? Don’t care about the speed that much? Well Seagate has released the 3TB GoFlex USB Drive, with 5 platters at 600GB per platter, and 32MB of cache, half of the 2TB model, then go for this drive. Some sources say that after hours of use it tend to heat up quite a bit, so dependant on what you use it for, it should still be operating within manufacturer specifications.
Check out the full review over at Anandtech.