I have a legit Windows 8.0 Pro Upgrade License to swap for a Windows 7 Ult License.
Edit: As per Josh's info below, this License should work with 8.1 install Discs.
Initially I intend to use the W7 with VM Player. If I get another PC I may install it there instead in the future. So I may be able to delay W7 activation until you are satisfied the W8 License passes muster.
Edit2: The source of the License is a person on one of the Windows forums who has a software company. Apparently she has a deal with MS to raffle off so many copies of W8 Pro. She has been on those forums as a VIP member for some time. So I'm confident it's not pirated.
Those interested please PM me.