MOOFTHESTOOF I purchased the upgrade to 8.6 just a couple of months ago, and would really be upset if I had to pay $50 per license to get the 8.7 upgrade. Thankfully, I've not missed TB2, yet, because the screensharing feature built into 10.5 does the task admirably. Now, I haven't yet tried it on machines outside my LAN, but since I never did with TB2 either, I'm not sweating it.
(Version 8.7)