So many possibilities-- I am a huge fan of WCC and think that would be really fun! You could always start with dinner there and then head to Jellyrolls or DTD. I know the former would kind of be a pain to get to, but I think it'd be worth it! The Yatschman is also really good if you wanted to cut down on unecessary transportation.
The only TS restaurant I've eaten in at DTD is T-Rex...which was good, but I don't know if that's the atmosphere you're looknig for on your birthday! I heard Portobello is supposed to be really great-- and Raglan Road is definitely on our "next time" list!
WCC may be an option. At least I can go in there in park gear and not worry about getting dressed up.

I love T-Rex! We're planning on going there for dinner the following night. I'm not sure I want to go to DTD two days in a row though so I may stay away on my bday. Decisions decisions!
This would be such an easy choice if I knew BOG was going to be open when we're there!
So many choices on what to do!
I'd say choose what you wish since it's your birthday! If you want HDDR go for it!
I didn't realize they charged your card right away with the shows... I thought it was charged at the time of the show. Maybe that changed since the last time I booked the HDDR... either that or I was so excited about getting a spot I didn't pay attention!
I think Jellyrolls would be fun. I need to look into that more for our trip...
I would probably pass on leaving WDW property as well as that can really add up the cost...
I'm pretty sure HDDR charged me the full price back in 2009 when I booked but I didn't have the dining plan. I think they do require you to pay in full even though you want to use the credits which I think is crazy. Why can't they just do a CC hold?

Jellyrolls is a lot of fun but it gets crowded in there! If you go there, try a hurricane.