There are quite a few roguelikes with graphics out there and plenty graphical interfaces for the open-source ones aswell(of course, most graphics are done by programmers and they sort of suck)
Not to mention all the games which essentially play like a roguelike if you force permdeath and high difficulty. Diablo I and Transcendence(here in my pic) are even listed as roguelikes at the roguebasin.
Speaking of Roguelikes with graphics, anyone ever heard about Aqua Style? Touhou Wiki says they have done some Touhou Roguelikes. I have browsed through their page, seems the art is pretty well done, but didn't bother to download a demo because my japanese sucks.
Anyway, their page, if anyone wants to give a try, is http://aquastyle.org/