You can order Reunion 10on Amazon.com now. Right now there are three sellers. Well, two really. The third has the ridiculous price of $184.50 plus $3.50 shipping!
As with version 9, Leister Productions sells through Amazon at the full retail price, plus $5.00 shipping, for a total of $104.00. Small Dog Electronics[1] is currently offering it at a discount: $89.99, plus $6.99 shipping for a total of $96.98.
Notes
[1] For what it’s worth, Small Dog Electronics is a company I’ve purchased Mac gear through in the past.