Hi Gary - off the top of my head, these come to my mind: Oban 14 yo and Glengoyne 17 yo. These are also recommended, but not sure if you can get them in Texas - Gordon and MacPhail Imperial Port Wood and Ian MacLeod Cheiftan's Choice Hazelburn.
Here is some more info on Oban:
Note my comments about Oban - "Wonderfully smooth, nutty, fruit notes and vanilla. Delicious!"
and on Glengoyne: