Thanks, nehunter. I can definitely see where $3-4K wouldn't go very far in a large body of water. I'm guessing a minimum of $15K would be needed to get things going successfully in my buddy's lake.

This thread has been helpful to me so far: http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=499845

I didn't want to hijack that one with my own questions though.