Nokia E72 - which looks almost identical to E71 - was leaked just a while ago via this promo video:
How is it different from E71? Well, specs-wise, it gets a five megapixel camera, a relocated headphone jack, and what looks to be an optical mouse instead of a D-pad. Looks-wise, here's a comparison chart courtesy of NokiaPort.de:
OK, E72 is a tad longer. :) But screen size is about the same.
More details about Nokia E72 soon.