What are these Robotic tuners like (any good)

[Rossi]

I saw this on e-bay a Robotic tune, im over the pond in the UK.Do they work well

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ih=009&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=190111361915&rd=1&rd=1

 

[leadguitar_323]

Hi Rossi, what a cool little invention, if they work as good as they say they'll sell like hot cakes... good find