No problem. All great things first start in the imagination, so "imagining" which way you're going to breed her is only natural. Honestly, I would be lying to you if I told you I wasn't "imagining" breeding my own young dogs too ... it is only natural
But what these fellas are telling you is correct, just enjoy your bitch first. Get to know her, everything about her, and she will also form a bond with you. Study her pedigree in the right way ... by keeping track of her littermates to see how they're doing also. If you have my book, read the chapter "The Art of Breeding Dogs." If you don't, no big deal, because I will be working posting it here in the Articles section pretty soon.
Once you know everything about your bitch (her strengths/weaknesses ... how good her litter is, etc.), then you need to study her pedigree all the way back. How were her parents (their littermates), and how were her parents' parents (and their littermates). Was their a consistency in style? Were there consistent strongpoints? Weakpoints?
If you can really take the time to gain this kind of insight, not just on her own traits, but where the good traits (and bad traits!) came from in her pedigree ... this and only this will give you a real sense of direction when you breed her. This is going to take time, but believe me it is time well-spent.
Most people are going say, "I'd breed her to a Jeep dog," or "I'd breed her to a Redboy dog," etc., but these are just bubble-gum answers by people who really don't know what they're talking about. My honest answer to you is I have no idea how I would breed a bitch like yours, because I know nothing about her (what she has/doesn't have as an individual), nor do I know anything about her background.
You simply have to have this kind of knowledge to make effective breeding choices ... so my best advise to you is gain this knowledge for yourself ... and then you can answer the question for yourself.
Cheers & Best of Luck
Jack