Olaf the Stout said:
You're assuming that the virtual tabletop will let you use the huge dragon mini with the stats of a 6-headed hydra. I'm not saying that you won't be able to, but I don't think we know for sure either way at this stage.
Absolutely you'll be able to. They have stated that the virtual tabletop will not "adjudicate rules." You can pretty much play any RPG on the virtual tabletop, as long as they use grids and take place in D&D type environments.
Olaf the Stout said:
Like Asmor, I too was under the impression that tokens would be available to use for free. If you wanted 3D rendered digital minis then it costs extra. I think it is a pretty sucky thing to do but that is the choice WotC have made.
The best place for information on the WotC site is to do a search on Didier Monin's posts. He and Scott Rouse have had most of the DDI info (Scott as much here on ENWorld as on the WotC site).
Some bits and pieces on VMinis:
Here Didier mentions that the players and DM share the VMinis. If a player has a monster VMini, than the DM can use it.
Here is nothing on the minis, but a difference between a free access and a DDI subscriber (such as what you can do with the Character Builder if you don't subscribe,
A bit here about how many custom 3D minis can be used at the table.
HEre are details about the fact that the virtual game table not adjudicating rules.
Here he states the character visualizer will allow you to create tokens and minis of your character.
Here are some bits about VMinis (such as the fact that the random distribution method was considered....and discarded).
Here are some bits about tokens and miniatures, including the fact that all the MM I monsters will have tokens in the initial rollout.
Here he states that if you cancel your subscription you can still use your VMinis (such as when playing on a guest pass).
I'm pretty sure that Scott Rouse was the one who stated that a set of VMinis would be available to subscribers initially, although it might be a limited time offer. Someone else can do search to find them for those who don't want to do the legwork.