This is extremely close to my vim setup. Two additional plugins I'd recommend are ack.vim (https://github.com/mileszs/ack.vim) to provide search across multiple files and ropevim (http://rope.sourceforge.net/ropevim.html) for better python completion and some refactorings. Check out rope-omni (https://github.com/rygwdn/rope-omni) for ropevim and supertab integration.