Hi Tim,
All the ideas posted so far would get you an idea on what your 'Burb is worth, but if you want a realistic value you might consider having it appraised. You'd get an appraisal on your home if you were selling it, no? I don't know what that would cost but it would certainly eliminate any more guesswork and give you better info to help you decide on selling or not selling. It certainly won't cost anything to get a quote on the fee for an accurate appraisal. After you have that info, you could compare it to the feeBay costs for just listing your vehicle. Not to mention the final price fees as well. Make sure you get some references from any appraiser so you can get a feel for how knowledgeable they are or aren't. If they won't give references, take a pass.
Good luck to you and best wishes on your fight. You're in my prayers, Gary

Gary Sterner 53 1/2 T Panel
Hold On Tight To Your Dreams ELO
Ya can't make it idiot proof,
they keep finding smarter idiots.