How about Darko? oh wait we had him & never played him. Doubt he would do us a favor now. Sucks because he's a perfect piece to what we need right now.
You're right, he really would've come in handy this season (thanks, Doc).
Of the guys listed, I might be okay with ANY of them, simply because we need more bigs, but the only two whom I think could really contribute would be Kaman and Brand.