I will be Sunday 4/29 at 9:00am. I am unavailable on the 28th.
You might propose it in the workout thread where we are discussing these types of things:
http://www.beginnertriathlete.com/discussion/forums/thread-view.asp?tid=435789&posts=16&start=1
I am in for the Sunday morning ride. Looks like they are backing off of the rain forecasted for the weekend.