We don't know if the anime will continue.... Hoshino's irregular releases of new chapters probably postpone a new anime release. There's only material for 2,5 arcs, and that's not nearly enough to make a new full anime. If they do, however, it's most likely they'll continue, since the original anime was quite good and followed the manga quite closely as well (sometimes even corrected some things that manga failed to do). And since the anime has an open ending (not a spoiler, just saying), I see no reason why they shouldn't continue from hereon (~loosely half-way volume 16).
Uta no Prince-sama in the foreground, D.Gray-man in the background. The later is on hiatus, the former gets new releases every now and then in the form of Drama CDs, music, or events... and a new season in 2015.
It's not a happy ending, I can tell you that. I bawled my eyes out when I first saw it, but I think that - in a way- it was a nice ending... that kind of suited the serious undertone of the Seishouhen OVA. But I'm glad the manga ended with a positive note, though. :3
It would be great if the Kenshin anime could get a reboot like Fullmetal Alchemist did. I just finished Brotherhood a couple of days ago, and I think they did great. Initially I thought that the speed at which the first few episodes went buy, made the series loose some of its emotional value that was present in the original animation series. But in hindsight, skipping the parts already done well in the first series, created more room for the part which wasn't animated yet.
I wouldn't mind if Kenshin got similar treatment.
On a side note, there is always the Tsuiokuhen/Trust&Betrayal OVA which tells the story of Kenshin's hitokiri days. It's still one of my favourite anime OVAs out there (my username was taken from one of the songs of the OST).