Hey to the Whovians on my flist!
If you plan to be in or near Orlando on June 28th, Alex Kingston (River Song) is going to be at the Hurricane Who Summer Nights! HWSN is sort of a one day convention type thing and Jarrod still has tickets available if you're interested in attending.
More Info:
http://www.hurricanewho.com/2012/06/hurricane-whos-summer-night/