I've played only the console version, I think it's fun for a few matches but not something I play very frequently, mainly just play it once in a while with this one friend of mine as he's playing it almost everyday so that's why I load it up too.
Was a big Halo fan back in the H2 days and while I casually played 3 & 4, never got into them as much as H2.
Anyway really excited about H5, this might revive my Halo addiction.