Rondo, Brandon Bass and Marshon Brooks for Evans, Jason Thompson and a 2014 unprotected pick. It's hard to judge what Evans will fetch for a contract but if he makes within a few million of 12 mil (give or take), the deal works.
Some of you may claim that is a high asking price, but if this source is correct, the Kings will lose Tyreke Evans in most if not all feasible scenarios. To get Rondo back for him would be an incredible haul.
Think of the deal, from their perspective (having accepted that Evans is basically gone), as Thompson and an unprotected pick for Rondo, Brooks and Bass. The unprotected pick in 2014 will certainly be difficult for them to give up but with the young talent they already have it's time for them to begin building a contender and escape the lottery. DMC, Rondo and McLemore is a potentially good enough core for them to be willing to relinquish the pick for Rondo's proven talent.