Those of you who have played some of the more recent Bioware games know that they're not shy about same-sex romance. The first two Mass Effect games allowed for girl-on-girl romance options and the Dragon Age games have allowed some very "complex" romance options.
Evidently, Mass Effect 3 will go along the same path as Dragon Age: Origins and allow for both sides of the same-sex spectrum. Now male players can romance male characters in addition to female players romancing female characters.
When we get Mass Effect 3, we'll definitely be reviewing it. For those of you that want to pre-order the game, however, be aware that this is definitely an issue.
You can read a bit more here: