The manual and model# in the FB listing indicate this  was made by Brinkmann around 2001.  A quick scan shows that the cast iron burners, flavorizers and grates are still available but pretty expensive.  The drip pan for grease seems to be unavailable.
If this was a grill you had a history with it might be worth rehabbing for sentimental purposes.  If any of the above parts need replacing it can easily cost in the $100-$200+ range, assuming they're available.  As it will have little resale value, it better cook well after you're done.  That's the rub, as a relatively forgotten model like this has no users to brag/complain about how it cooks.  Brinkmann models of that era are probably the equivalent of Char-broil as a basis, but that's not much to go on.
For me, without knowing how well it will cook, combined with potential parts availability and cost, it's a grill I'd avoid.  As a comparison, an older Weber Genesis model, like a Silver B, will be easier and cost less to rehab, cook very well and have value to others.  One other benefit the old Webers offer is this forum and all the help in rehabbing you could want!
I like unusual stuff to work on and this could be one for you.  I just have more faith in older Weber grills quality in general and their excellent cooking.  This model sure tried to copy the visual cues of a Weber, and that wasn't by accident.