It is a tough call. But if gaming is what you would like to do, I'd recommend going with the 260m, i.e. the asus. However, take a look at these links to get a better comparison of their performance specs:
The ASUS seems like what I'm going to end up with. With that said, anything I should worry about with recertified stuff? I trust ASUS like no other company. Anything I could buy from ASUS, I do but I've never gotten anything recertified. With such a reputable company, should I worry about it?