Sean Williams would be an interesting pickup--unique strengths, but tons of flaws that might just be enough to bounce him off the league. But he actually does fit our needs as far as bigs are concerned: he's young, athletic/mobile, and has really natural shotblocking instincts--the last aspect in particular is something we sorely need. Not to mention that the Nets are really growing tired of him and he could be had for the really cheap, I suspect, if we pursue that route.
But there's just tons of flaws here--even on draft day many hesitated because of his brainlessness, but the Nets bit at the end of the 1st round when he was considered a mid-2nd rounder. Another guy who made scouts salivate because of his physical tools. He hasn't changed at all since then--he's utterly foul prone, plays for the block every time and thus gets out of position and is a terrible defender, terrible rebounder, can't remember plays, has no range/ballhandling ability, and on top of his lack of skills/polish has a pee-poor demeanor on the court and off-the-court issues. The latter two can be excused if he was a starter, but as a marginal bench player I suspect it will eventually kick him out of the league.
Ultimately I have very few hopes for the guy, and certain big-man attributes are lacking (rebounding, real defense), but the shotblocking/athleticism/can be had for cheap is enough to entice me, just to see what he's got. I don't think he'll change, however, and he won't help us, so this might be a one-year rental when all's said and done.