Despite losing popularity after AOL's acquisition, I still use a barebones version of Winamp because it's what I'm familiar with and it works well for basic music playback. I tried converting to iTunes a few years ago after purchasing an iPod, but it was simply too bulky for my needs. Meanwhile, Zoom Player handles all of my videos. Although VLC is awesome, I've found that skipping through content can be sluggish compared to Zoom, SMPlayer and others.
So, let's have it. What software do you rely on for your media playback, and why?