Check out the catering sections. There are a lot of us over there that will give unfiltered assessments.
You say mobile BBQ. There different types. More specifics will be required.
Also, the mods may move this to the catering section any way.
Team: Pyle's BBQ; Yoder YS640; Good-One "Trail Boss" 60T; Weber Kettle w/rotisserie ring; Big A$$ Rotisserie; Weber OTS; New Braunfels offset smoker; Weber Smokey Mountain; Chargriller Akorn.
Saddles BBQ Bistro