In Rainbows is a good balance of Radiohead's electronic music with more organic instruments, like guitars. I think you might like it.
Depeche Mode are also great. They were the band that popularized it in the 80s. They're very dark, musically and lyrically, and have a lot of gothic influences.
Nine Inch Nails, my favorite, incorporate electronic, rock, metal, goth, and a whole variety of other genres as well. Trent Reznor is a mastermind, and probably my first flirting with anything electronic.
You might like Pendulum as well. Very lush, upbeat, and catchy electro-rock music. They have a decent following on here, I think.