hehehe,
http://www.iceinspace.com.au/forum/s...ad.php?t=59178
skywatcher unit i cannot comment on, but it has to be better than nothing I would say. Currently i am working with the ardunio embedded computer to offer PC control of focusing. just have to purchase the equipment
Cats eye collimation tools are unreal, highly accurate the best purchase that i made in relation to collimation
GPS is not the magic trick for polar alignment. all it tells the computer is lat long and time accurate to 30 meters, to be honest not worth it.