Jeff, I don't know if you're still working on this, but...
I purchased an small (19" diagonal), inexpensive LCD HD television and swivel wall mount. I mounted it on the bulkhead above the Bose 321, and connected the Bose to the TV with a short HDMI cable (to watch DVDs), and connected the coax from the A/B switch to the TV.
If you have the Bose, you'll find it's powered through the entertainment inverter, located under the port settee. Mine has two ac outlets, so I connected a television extension cord to it and ran it thru the bottom of the port V-berth wardrobe and up, then back thru the bulkhead to the TV.
All of the newer HD televisions include digital tuners, and the smaller LCD versions use very little juice, not to mention they weigh very little compared to their older CRT counterparts.