So here is the update.
I figured out that the amount of fuel was not sufficient. So, I added about 8 lbs of Stubbs. Its 2:45 now and everything has been humming along quite well, though I will say its at 225 and no more with all vents wide open.
The hunk o' meat is holding at 160 for the last 1.5 hours. I'm concerned about the amount of fuel left as we wait for the brisket to "break through". As for adding the fuel, it was pretty easy, unlatched the stacker and the lid, removed the water pan, added the coal and hit it with the weed burner. It took about 10 minutes, but still not something I want to do on a regular basis.
I'm about to add some chicken thighs for the home stretch.
For sure a learning experience, the "modularity" is a great feature, but the UDS sure eats less fuel and is closer to "set and forget".
As to the Water Temp, I got 2 gallons out of my truck that were left over from Hesperia..yes, I know along time ago, but its a truck. I figured the odds are at a competition those gallons will be closer to temp than me heating or using hot water.
More to follow to include pics.