I ran across the PlaneTalk site and it's certainly got my attention but don't want to spend $80 with shipping if it's not worth it.
The reviews are all very positive but you never really know if it's the company writing them.
Anyone try PlaneTalk and if so would you recommend it?

Here's the site
http://www.thatllteachyou.com/

Here's some testimonials
http://www.guitarforbeginners.com/forum/planetalk-testimonials/