Hi Andrew go to popwire.com and download Compression Master 3.0.2 it will allow you to do every format there is wndows media,qiucktime,real video all flavors mpeg1/2 etc. the program is writtin from the ground up for OSX and will let you encode the first 15 seconds of your video for testing and is only 400.00 bucks to unlock it.This software does great work and the company has been doing updates (free) often. It also does Mpeg 2 enodes way better than apples compressor as well as ntsc-pal/pal-ntsc conversions and does 3g video and most all the formats for mobile video. Its really a swedish army knife of compression ( Popwire is a swedish company) The best part its real easy to learn and use and has presets taht are a great starting point for new users. IT ROCKS Good Luck Stuart