You guys do know that the source material is all translated up through the next several arcs, right? It's on the first page of Google results for "sword art online", too. So if you really want to know what will happen, you can just read it.
Yes, Sugu likes Kirito. No, they will never be together romantically. Kirito does get additional love interests over the course of the series but Asuna is his only girlfriend and that won't change. He is a monogamous guy.