Have the choice of staying 3 or 4 nites, btwn.April 22 -27th.Flying in, not renting a car. Lkng. for a midrange hotel walking distance to alot. Is it worth paying to stay on the actual Riverwalk? Which Drury, Embassy? suggestions. Taxi or shuttle for airport to hotel daytime arrival? Def want Alamo, a few missions, good bbq & tex-mex & margaritas,Historic district(German?) Marketplace.Please send some itinerary ideas...not interested in Seaworld or biking. Love history, shopping(local unique, antique) THANKS !