We also released WinX HD Video Converter for Mac V5.0.0, the mac version of WinX HD Video Converter Deluxe. Now it is 20%-30% faster than previous version on your Mac OS (incl. OS X 10.9 Mavericks). Please feel free to download it and have a try:
What's new in 5.0.0
New kernel module of video conversion for performance upgrade. The conversion speed is now improved by 20-30% compared with the previous version.
Supports for more codecs: now it can handle iCod and G2M4 codecs.
[LEFT]Video preview function.
The output configurations of DVD and DV.
Synchronizing function for SRT subtitles.
Perfectly supports OS X 10.9 Mavericks.[/LEFT]
Some bugs in converting videos to MEGP2.
For more software overview, please visit: http://www.winxdvd.com/hd-video-converter-for-mac/
Any suggestion to improve our products are much appreciated, enjoy.