To those who is looking for a PayFast payment module in VirtueMart 2.0, here is a new PayFast plugin for VirtueMart 2.0:
http://www.opensource-excellence.com/index.php?option=com_ose_mart&view=item&id=456
Wiki is avaialbe here:
http://wiki.opensource-excellence.com/index.php?title=Documentation_-_PayFast
Hope this helps those users who is looking for the module.
OSE team