Never dealt with Autdiagnos(arn't they part of Crypton now?)but I would be concerned if they can't quickly provide answers to simple cost questions. I got into Sykes by coincidence a few years ago.The machine was basic then but has constantly improved.For somone just getting into diagnostics I think it is good.Sykes seem honest as to what it will & will not do.Multi pod & ISO lead is the way to go unless you do only one make.If that is the case look at genuine dealer kit.Good things heard about Snapon to.They all have big holes in coverage and many do not do what they claim.Be carefull.