Where can i find a female pure bred great dane puppy for a decent price and papered in CO?

I am looking for a female Great Dane, pure bred, and papered! We have another great dane and want to find his forever friend!!! We LOVE this breed and have been looking everywhere...if anyone knows of a breeder, then please let me know...and again...not too expensive!!! I may possibly breed them, so any anti breeder people, please dont comment!!!