He's Marquis... minus the awareness of his own limitations. He's a bad shooter plain and simple. We don't need another wing who can't shoot Tony is a better option. Oh and did I mention he's injury prone.
Marquis Daniels: 2009-2010 FG% - .469
Career FG% - .457
2009-2010 3pt FG% - .250
Career 3pt FG% - .237
Tony Allen: 2009-2010 FG% - .500
Career FG% - .474
2009-2010 3pt FG% - .000
Career 3pt FG% - .299
Larry Hughes: 2009-2010 FG% - .363
Career FG% - .408
2009-2010 3pt FG% - .293
Career 3pt FG% - .309
Okay, they're all pretty bad shooters. Larry Hughes can actually hit a 3 pointer some of the time (a la Sheed), while Tony and Marquis are pretty much dead weight from out there. Hughes has a low fg%, and that's mainly because he takes a lot of jumpshots and he's very streaky. He started out the year on a ridiculous hot streak, and has been on a cold streak for some time now. He can hit shots though (unlike Marquis and Tony), and he has more than a couple other useful skills as well.
I agree, though, he's not great, and might not be as much an upgrade as we'd hope. Still, he's the kind of player that could have a random big game and win us a game in the playoffs. Isn't it worth signing him for the minimum after he gets bought out, if there's a chance he comes up big for us once or twice? If we're gonna make a trade, we're probably going to trade TA anyway.