I've never been able to find success with a mallet, but I really like that they're going to build this with different strokes in mind. I would definitely be interested in trying this out in the strong arc design based on my feedback on the iPing app. Heck, I'd like to test all three out and see if my results match what they "should".
Also, good work by GPPGolf.com to spring into action and make them available. Not seeing it on Ping's website, let alone any retail sites.
Can anyone remember a putter getting this much attention during a big event? The announcers were talking about Mahan's putter all weekend. Amazing exposure.