I like what Juan Pierre has given to me so far on a team playing in the Metrodome:
In 90 AB he’s hitting .356 (and .422 vs. L, leads league! ) and has 14 steals in 17 attempts as a spot starter in CF and designated PR. If he could play any other OF position, he would be a nice bargain, but since he can’t and because he’s so weak defensively in CF, he’s probably not under priced. He’s a nice bench luxury if you can afford it though since attacking pitching staffs with weak holds is fun. :P