Yea, it really depends on how old the computer is. If its fairly new, then a simple upgrade is in order. if its from say 2000 or older you may want to look into buying a whole new system.
I will most likely be running more contest in the future, so yes :-) on top of that there's a point system for the site that allows you to buy things on the forum. Check out the "Shop" button on the top forum menu.
I'm not going to subtract posts unless its blatant spam over and over or two word posts like I do. In fact I'm most likely not going to be checking to see if you are at all, so hit the little report button if someones cheating lol :-P