The Smoker,Roaster& Grill (SRG) Is the big brother of TBE. This unit has a chamber diameter of 15 in's and will cook a 25lb turkey where TBE only would do a 16lb. Now there are two versions of this cooker the original SRG came with a flask for adding smoke to the meat where the new version has a smoker box built into the side of the unit which uses the flame of the burner to lite the chips/pellets for smoking and really does a better job than the first version.
The SRG comes with high and low settings with a little adjustment in the med section of the control. This unit puts out 18,000 BTU's on high and 9,000 BTU's on low. With the solid lid (unlike the mesh lid from TBE) you can turn the unit to low and get somewhat of a good pulled pork yet turn it to high and get a very good crispy turkey or chicken. Now unlike TBE the SRG comes with a grilling grate that uses the infrared to heat it up and capable of 600 + temps without to much trouble so grilling is easy and you can sear a steak just as good as a high dollar grill without spending a lot of money (199.00) is the going rate.
Now with a few mods you can actually drop the cooking temps down even further than that of the factory settings. IMHO TBE does a better job with crisping chicken than the SRG does but don't get me wrong the SRG makes VERY good chicken/turkeys. The SRG is one of the best all around roasters and grills on the market today. Heck I proved this last year by taking 3 of these units to a cooking competition and took 4th over all with a 2nd in chicken, 6th in ribs and 7th in pulled pork. I took on Big Green eggs and larg stick burners