Wizards should definitely draft Wall and try to trade Arenas. Arenas has alienated the fanbase way too much and he's just too brittle. Yeah there will be logjam at guard for the Wizards and Arenas will probably bitch about not handling the ball but Wall just has way too much talent not to build around.
As for the Sixers, they all ready have their do it all forward in Iggy. No he's not a franchise player but still an effective player. With that said, they have to look at either Derrick Favors or DeMarcus Cousins. I like Favors better as a player but I think Cousins would be the better fit with Sammy in his last year and all. Both will be studs though.
And as for the Nets, although I think Turner will be a better player than Terrence Williams, I think he's a good fit for that team. Favors has to be the guy if he's on the board. Just too much talent, not to mention biggest position need, to pass up. A front court of Favors/Lopez can dominate for the next decade.
Plus the Nets already have a young slashing PG with talent in Devin Harris. They should be happy that they don't have to lock themselves into taking Wall.
Also for everyone bashing Portland about the Bowie/Oden picks, seriously, get over it. You guys really think Clyde and Jordan could coexist? Or Roy and Durant? Its not like the talent wasn't there. Bowie was scouted as surest pick in the draft and the next great big. Oden was supposed to be a Shaq clone.
Man, Hindsight really is 20/20