Gadget Junkie pulls in Gizmodo's full-text RSS feed and presents it in a nice iPhone-friendly way. It also aggregates some other site called Engadget, which I guess is another pretty good gadget blog? Dunno.
I haven't heard of it, but if you like gadget news, this app appears to have you covered. Only thing it's missing is offline access—you can save articles, but they're not readable without a network connection. It's a buck. [Gadget Junkie - iTunes]