Glenn Fricker
Very Metal &Very Bad News
So based on this list and on what you said you liked:
http://myanimelist.net/topanime.php
My next pick for you would be Shingeki no Kyojin.
Steins Gate is good too, but different.
Watched "Attack on Titan" with the wife, we both loved it. Started Steins Gate with her last night, she liked it too. (what can I say? She likes cool stuff, that's why I married her)
If you have any other recommendations, or suggestions, I'd love to hear them.