I think you could get a few here and there that are REALLY important to you, but I think overall... you should let it go. At least for now, anyway. I don't think I can handle the stress of you building your JLU collection again!
Either way, you know I will support you... but you asked, so I answered.
Wait a few more months and see if you still feel this way. I know a big reason you're questioning your decision is because you've been having a bit of a dry spell with toys. Wait it out...
Cheezit man, it's the cops.
Seriously, if you can do so I would. The line in and of itself is awesome. All the problems aside, it's pretty much my favorite. Even once it ends, I won't get rid of it but if I had at some point I'd sure rebuild it.