I'd really like to see that fighter. Imagine P1 doing an aerial attack and P2 tossing a barrel or something at him to block it.
I'd like to see the response of an attack to be related to the attack, not just a generic "hit" animation.

But this may be kind of hard to do =)

I was thinking exactly the same thing. I recognize I don't have the skills to create a game of such quality, but perhaps a simpler idea using the same type of combat. I <3 creative ideas.

Just like you said Elastomania is really a great game.
I was thinking maybe of game like SkiFree, it was a pretty bad game included in the Microsoft Entertainment Pack series and also on other platforms I think.

I always thought you could develop that game a lot more and make it much much better.