Which do you guys think is better? I've been using VLC for ages, since I feel it has better windows support, but I have had to use MPlayer on several occasions for playback of certain file types.
VLC is the better all-around solution. I also have MPlayer (with MPUI) installed because there are some things that only it can play, and it's so light weight.
MPlayer has always played everything I've thrown at it, and like Foobar2000 for music, I love it's minimalist appearance and small footprint.
It also plays part downloaded video files, which is a huge timesaver for being able to check out the specifications and quality of a video file without downloading the entire file.
I use MPUI with MPlayer but it just doesn't like HD video, which I use MPC HC for instead. Although I know that having WinXP isn't the best choice for playing back HD video which is part of the issue in of itself.
Something I once read on a video site a long time ago, and found it to be true especially with some media players. Sorry I don't remember the site that stated that, however this search may reveal something:
I used to prefer VLC but now I use MPlayer most of the time.
I've used VLC Portable and even the install version before but with some videos like WMV from record label sites it would often have issues - of course this was many versions ago. MPUI with MPlayer never gives me any issues, unless it's to do with HD video!