hi! newbie here! i attended the collectormania at the g-mex and just have to say how fantastic it was!
as for guest requests i'd like to say (actually, it's more of a wish list!):
• anyone from the firefly cast - especially nathan fillion
• x-files cast
• buffy/angelverse - david boreanaz
• hp cast - MORE stanislav and robert please!
• perhaps dead like me cast?
there's probably loads more, but that's all i can think of now!