So I recently had a long stay at a Residence Inn from Jan 21, 2012 to Feb 15, 2012. I signed up for the MegaBonus offered to me of:

Earn 35,000 points after 20 nights + 15,000 points after 25 nights—up to 50,000 bonus points

Which I thought was awesome because I was planning on spending 25 nights and getting a sweet 50,000 bonus. I didn't realize until last week that the offer only started on Feb 1. So a good number of my nights didn't count. In fact it says I only qualified for 12 nights! Ugh!

Doing some research it sounds like I should have enrolled for MegaMiles instead. Any way to do this retroactively? Is there another promotion that would be more beneficial?

Thanks!