Thanks to everyone for your responses. I've concluded the following:
1. 30 ft of 1/4" hi test chain
2. 250 ft of 1/2" 8-strand rode
3. Manson Supreme 25 lbs.
Here on the Texas coast a very typical scenario is for the wind to move from the dominant southeast into the south and then quickly veer to north as a front passes through to then settle into the northeast. While one should probably have two anchors out for this kind of situation, it sounds like the Manson Supreme is capable of handling the wind shifts.
So not the new question to Manson Supreme users; "What is the best bow roller for the Supreme?"