With all of those breeds in the mix it will take you YEARS to standardize the breedings (to get them to breed true...especially with the unknown colors that could be hiding in the pekin). If your goal is to eventually show, you're going to be in for a long wait. You will have to breed a LOT of ducks that should all breed true (look the same) and then you need to have enough people interested in them to keep a flock and show them also. If you are a beginner you may be better off getting some good show quality birds and improving on them, rather than trying to start a whole new breed. But...that's just my 2 cents worth...