Yes you can still get a hotel room at Caesars for $149, if you call 866-227-5944 and ask for the Evolution 2K rate. The rate code is SCEV20 (The 0 is a zero).
Don’t delay, Evo is fast approaching!
Additionally you can get them by going here: https://www.harrahs.com/CheckGroupAvailability.do?propCode=CLV&groupCode=SCEV20