Maxtor are made by Seagate, also you dont really need to pay any extra for the warranty since most hard drives come with at least a 3 year warranty (and plenty with 5).
One thing to note though, Tiger Direct is infamous for not fulfilling rebates, so dont really count on it being $40
I've generally had good luck with Seagate drives, although there are problems that people reported with their 1.5tb+ drives (not sure how much of that filtered down into the 1tb drives though, but the SMART status has reported too many bad sectors on 1 or 2 of my seagate 1.5's and so I've pretty much switched to WD for my drives.)
Also, you may not need the space now, but once you have it eventually you'll use it, I never had much data needs till I started getting bigger drives, and now I'm practically always needing to upgrade my server (went from a 320 to 2x320's to 3x500's to 4x750s to 5x1.5tbs and will probably need to add more in the near future)