If I recall correctly, the acers may overheat, at least for the 3830tg, they have throttling issues. However a lot of people do own the laptop and have had no problems while others have found redoing the thermal paste dropped temps a lot. YMMV.
You can find it at staples
Staples and if you can get a coupon or two to lower the price it's one heck of a deal and is what I'd recommend.