Best sites for hiring freelancers?

I have been using Elance as a client for many years but now it has been shutdown (caot post any new jobs there), after it's been acquired by Odesk(Upwork). I tried using Upwork and absolutely hate the features of this site, everything sucks: user interface, workflow, search for contractors, evaluating skills/reputation... I know about freelancer.com and guru.com but didn't try these.

My question here is for people who actually use contractors, not for those who have...

Best sites for hiring freelancers?