Kurt, the Gollons are one of the most respected fish farmers in the state. Tim really knows his stuff. I have worked with them for many years.
If this is new pond construction make sure you are jumping through all of the right hoops with the Wisc DNR.
To control potential blue gill and perch overpopulation you might consider a few northern pike. Buy your fish only from liscensed hatcheries (no wild transfers).
Think ahead concerning pond plants if you introduce the plants you want at the outset you will have less problems with algae and cat-tails later.