I just made this post on the main thread. Thought we could bring it over here for a more focused look at Austin.
How about Austin and Corpus Christi? I really enjoy my trips to CC. You get the bay, the ocean, the CenTex lakes and hills, fresh & salt water fishing, Port Aransas, Padre Island National Seashore. TexMex, tacos, bbq + seafood. Austin is high tech. Corpus has manufacturing and a port.