Well will try to participate. Last time went experimenting with some ideas and was not able to finish a game in time. Rather ended up with some toy.
This time I am not shore how much time I will have and how creative my mood will be so probably if I will try making something it will be simple/small with intent to finish something.
As for tools as usual Flash AS3 + my code, probably will not be using any libs except for may be some Box2D in case theme and game idea will need some solid physics.