I'm sending you a PM, because native Texans seem to be "touchy" about their Lakes - they think they're just fine and that the beach in Galveston is worth going to.

We've driven through OK and the northeast corner "might" be an option. We're going to Hot Springs AR for Labor Day to see how the lakes are in that area. You might find something down near Austin (we haven't been yet), and there are rivers to float, but I'm not sure if they are in drought conditions...