Percy Harvin signs in Minny...
http://www.tsn.ca/nfl/story/?id=286561
Thats a guy i feel will be huge or a complete bust with no in-between.
Durability is the biggest concern IMO, as he really is a tad small.... though as guys like Sproles have proven, thats not always a negative. That positive drug test is always a bit of a red flag as well.