You know, at the cost of $2,500 per year, (although I can't actually find where to purchase the software) you'd probably be better to just YouTube some kid's backtrack tutorial.
Using the Silica wireless hacking tool sold by penetration-testing software provider Immunity for $2,500 a year, I had no trouble capturing a handshake established between a Netgear WGR617 wireless router and my MacBook Pro.