Hi Bill, I am also a returning customer. I can probably answer this for you.
It didn't cost me much really. Just the renewing price. You should get a quote right before confirmation of purchase. It also depedns on what addons you need renewed as well such as Nexus, Blog, or gallery etc. Also be aware that 4.0 is still in public beta, still could be awhile until the official release of 4.0. Good luck, Bill!
I was really afraid to click on that link. However, I did manage to take a look. Hmm. It seems Weebly is a "Build Your Own Free Website" platform. I don't believe it is possible to do that. You'll need to be able to have MySQL database access, and file manager. Also you will need to purchase a license in order to download IPB software. It is possible to convert from phpBB 3 to IPB 3.4 however.
So, I tried first upgrading v4 Beta 3 to Beta 4 and the results were that I could not sign into the site, but I could sign into the admin panel. If I signed in it would just refresh and still stay at Guest. Then, I decided, "well, oh well, after all it is a beta" and deleted the database and recreated one, then a whole fresh new install. Same thing occurred. Could only successfully sign in to ACP , but not Forums, Downloads, or anywhere, it would just refresh and still as a guest. Notice I had no issues with Beta 3, only severe problems with Beta 4
I'm not sure exactly if you guys already mentioned a new plan or planned extension for the Best Answer post feature. But if I may elaborate a suggestion towards it.
I've been on reddit lately and it caught my attention of voting, people up can be a karma feature for best reply inside posts. Instead of just the OP having it where s/he chooses the best post it can also be optional by the Admin to set specific forum options that it can be voted by the board members as best answer or the OP of the post can just determine who gets it. So really its like a Reputation feature and poll feature in one.
Bur of course if the admin allows it in the particular forum of how much power the OP can get; Voting or specific answer. The author isn't always correct, so by allowing this, it gives feedback by the community on who had the great answer.
But if not, it will look like an awesome application or hook if a developer would take this on.
A license key can only be attached to 1 website at a time. You would need 2 licenses to run multiple boards. Remember that IPS offers discounts for every other license you buy.
The hosting service as I knew (a few months ago) didn't allow the option to download the software since the entire suite was already in the hosting package. So it maybe the same way.
Before you consider a license, however, make sure you have a host that reach the software requirements. If your not sure, you are able to Google reliable hosting service that can assist you.