منتدى استراحات زايد - I just want to make sure that I understand this correctly

I've spent a couple of days reading the (rather understandable in some cases) grousing and back-and-forth about vBulletin 4.0 and upgrades and updates and blogs and whatnot.

That's not really applicable to me in the whole* because I'm looking at starting a whole new forum. I've never held a vBulletin license before. So* I'm starting from scratch here. I've done some work in vBulletin* in the ACP and such* but I've never done an install or anything like that.

Supposing that I purchase 4.0 suite* have I got this right?

I will get v3.8.x forums and in the short term* and there will be an update/upgrade some time in the (presumably not too terribly distant) future to true 4.x for forums and blogs* for which I have already paid when I pay my $295 or whatever it is.
When that 4.x eventually comes through* I will also get CMS packaged with that.
If I want blogs* I have to purchase the suite* even if I don't really care about the CMS aspect of it (not really applicable to my needs)
I must presume that I can "turn off" CMS and just operate forums and blogs.
I can run 4.x forever* but my support/security updates/patches will sundown at some point* presumably to coincide with the release of 5.x* which is an indefinite time period in the future; could be three months* could be three years. But no matter what* so long as I'm willing to take a chance on not having security patches and the like* I can keep operating 4.x forever. I will never be considered to have an "expired license" through this one-time purchase.
Once my support ends* I will not be able to "buy in" to continued support for 4.x* but will then have to purchase an upgrade to 5.x* and eventually to 6.x* and so on if I want back-end support.
If I want to get the reduced price for a new purchase* I'll have to do that before the end of the day next Saturday (how is that defined* BTW? Midnight Central time* Zulu time* end of office hours Pacific time* interantional date line?)

This is not some sort of criticism or "talking down" of vBulletin. I just want to know precisely what I'm getting into before I sink any money in this.