Good to see you back, but I hate to see you sell your Z. Great job on the videos. They are honest and believable with no attempts at overselling the car.
After seeing the rust issues and subsequent repair threads on several members' cars (Wheee! for example), your car is in very good shape and would be fairly easy to bring back to excellent condition. The buyer would be best off swapping the doors and then cutting out and replacing the rust on the hatch panel and quarter. The rest is easy. The underbody looks great which is by far the most important place to be clean.
That said, the market for late S30's is still soft, so it's not going to be worth a lot of money at this point in time. That could change in the future, but not right now. My best guess for pricing based on the current condition and potential condition is probably in the $4000 - $5000 range. I'm sure the car runs great and looks good from 20 feet, but rust repair and paint aren't cheap. If it was a 240Z, the value would likely be double. Your Z is very presentable, so it could be purchased and driven as-is or restored to show quality. Many Z's with similar rust are ratty looking, so you certainly have that going for you. Mechanically, it is far better than most, but as we all know, it costs more to fix rust on Z cars than to fix mechanical issues.
Good luck and I hope you either decide to keep it, or sell it now and rejoin the Z community someday.