Nvidia's GeForce GTX 680 is hard to find online

The new flagship in Nvidia's graphics processor family came out last week, but you wouldn't know it from scouring at e-tail listings around the web. In a cursory look around major online retailers in the U.S. and Canada today, we found few GeForce GTX 680 variants listed and none stocked by the vendors themselves. AMD's competing Radeon HD 7970, by contrast, appears to be in plentiful supply.

We checked availability by seeking out cards at Newegg, TigerDirect, and Amazon here in the States. Those are all large retailers with sizable stocks, and other, smaller vendors seem to be slipping behind. North of the border, we looked at NCIX. The cards we found are ...