1. You don't know if the modified unit you're buying is an old one or a lemon that just got repaired. How would you know? There'd be no way of knowing. 2. You don't know if the technician who modifies your unit even knows what the hell he's doing. If it breaks, how can you blame them? They'll probably put you through hoops, make you come back week after week after week, give you more hassle. Hey, it's your time...far as I know, time is money, at least for me. 3. You don't know who these people are who are churning out these firmware modifications. How do you know these things won't break your 360 with some bug or two that surfaces later on? 4. By supporting piracy, you become part of the problem. So these consoles break so easily (the truth is, all of them break, not just the 360. PS3 = BDL). We don't have anyone to turn to to have these things fixed. Why? Because the console makers don't want to support us here. Why? Because we support pirac...