look at some videos filmed with them and decide. just because its 1080p does not mean its any good.
I know side by side compromising with gopro hd2 to veho 1080p, the veho had slight better picture, an a ton better sound. it cost less and came with tons of accessories (built in screen, mounts, straps, remote control etc). Thou to be fair, I find mine fairly awkward to mount
Last thing I heard, when gopro 3 was released, was that the white and silver is good competitors, but that black beats much anything else on the market. but I guess the others would have upped their game by now.
oh and I have a cheap Chinese thing aswell.. it's pretty worthless.