Don't put it on girls just because you (and I!) think it's bad. X'D It's more of a wish fulfillment series for lonely otaku guys, your typical harem routine but with an overpowered protagonist as well. =/ The romance parts of the main pairing aren't even half as understandable as the standard shoujo manga. They are just -BAM- together at some point. ='D
From what I hear, the story ain't even that great. Something about incest and the ol' 'you die in here, you die out there!' cliche, all wrapped in a cheesy MMO style that's been done to death by .hack and it's millions of spin-offs.
I'm not really all that impressed with SAO but it's entirely up to the creator/s if they are going to go with a second season and so forth. the dvd special is still ongoing and to be honest this series reminds me too much of .hack series. but if the fans are patient there just might be a second season or another naming of the series. look at all the times .hack has been given love.