That's a tough one....Purdue has arguably one of the best home court environments in all of college hoops. People love Mackey and I assume the players love playing there. I think Purdue has a lot to offer a new coach, not only in terms of support and facilities, but also the regional talent pool, etc.
It will be interesting to see what happens at MSU when Izzo leaves in the next year or two. I view MSU and Purdue in very similar situations as far as competing against the name brand (iu or UM) in the state.