The team at Betaworks have released the first improvements to Instapaper since they bought it. The new web interface is great. It looks like something from Betaworks and from Marco at the same time. My favorite part is the new article reading view.
I moved away from Instapaper after it was sold, but I might move back if the iPhone and iPad apps come up to par with the new web interface.
You can see the new interface here.