Clearwire's 2.5 GHz spectrum is not all that valuable. I remember when Speedchoice had a chunk of that spectrum (before Sprint bought them) and I joked with their VP that their marketing slogan should have been "buy a Speedchoice receiver and get a chainsaw for free". Heavy foilage impedes signals in that band. DISH doesn't really want that spectrum - they already have way better 700 MHz and AWS blocks. The CLWR play is nothing more than the attempt of a bully to get Sprint to build DISH's network for them.
My guess is SoftBank swings a deal with DISH to incorporate their 700 spectrum into Network Vision either on a spectrum hosting basis or by trading a chunk of the new Sprint to DISH for the spectrum. DISH is more likely to be a seller than a buyer at the end of the day - they don't know how to run a cellular network.
And, guess what: the FCC is not going to let them sell that prime beachfront property to either ATT or VzW.
Very funny... the deal between Softbank and Sprint has nothing to do with clwr. Secondly, Dish is offers more.. but .. they could be end up become partnership ... So, just keep on dreaming... when you wake up .. sprint will be $4 ... or it could be $8 ok !