Depends what sort of advice he wants. If its what bat suits his style then fair enough otherwise i wouldnt ask the bat maker how good his bats are. Hes hardly going to turn around and say one bat range isnt up to much is he? :D
Well rob is an honest bloke when choosing which range to use it's either shape or stickers and he does it all there so prob best person but I like the iridium shape but Calibre stickers personally