Originally Posted by The Ghost

There are a lot of other variables to consider, such as actual movie sizes and clip length. Are you going to have anything to limit downloads? Just as an estimate, take your biggest clip sizes and amount on the site, times them by any number of monthly members, then multiply that by 2.

Are your promo materials on another server? Because MPGs, FHGs and any trailers will burn through a TON of bandwidth, maybe even more than the members area.

Actually, at this point it doesn't really matter. Most hosting companies will make a package that can grow to suit your needs and not penalize you for it.