At the off chance of being a smart ass - is a single CD that expensive? I use to pay more per disk for 5-1/4 inch, 360K floppies.
Don't wait for the final, down load the beta, use it, abuse it and provide constructive feed back to the team. The sooner all the minor nits are worked out the sooner a final will be released. Remember - your support and the outstanding skills of the team putting this together are what makes it so great.