I think it's a great game, but one thing that may be keeping the lid on the price (at least for me), is that I already have a pro and I have seen some terrific lighted ramp mods that you can add. True it won't have the drops, moving recognizer and some of the other bling, but it boils down to "what are the lighted ramps worth to you"? because they are pretty cool (all the other things don't really matter to me on the LE), there is a price I'd pay, but for me knowing I can add lights to the ramps for relatively little appeals to the more "practical" side. Assuming Tron LE is a 10, then I think Tron Pro is a 8.75-9, so is the extra 3-3500 worth it? (probably to a few folks, just not me). Also, with the new code coming out , I am wondering what will be added? Daft punk? extra ball? combos? etc, so the Pro should be/is a very attractive alternative.
For what it's worth, I have purchased things from Mike before and he's a great guy to do business with so no worries about dealing with him. Bump and good luck with the sale. I am sure it won't be around much longer.