Their track record has slipped considerably in my opinion. Even Tan hated WKC, and he loves everything.
I'm intending to wait for XIII-2. Considering the amount of planned DLC and how quickly the previous entry dropped in price (as well as my prediction that it probably won't move anywhere near as many units as Square expects), I think I'll be fine with giving it a year or so. I liked XIII, but interesting concept aside XIII-2 hasn't really grabbed me as something I have to have right away.