I started a petition for m/m Garrus DLC (figured that since there's a petition for Vega romance DLC it wouldn't hurt)
I know quite a few gay male players who were disappointed about him not being available for MShep romance in ME3
http://social.bioware.com/forum/1/topic/325/index/11918131 Link to poll -
http://social.bioware.com/1793361/polls/33449/