I would answer you by pointing out that most scapes are a work in progress and not an end on to themselves. What I mean is that don't be afraid to experiment, try out different things and if you don't like them then change them all that sooner. It is easy to pick out gorgeous tanks to aspire too but those tanks were put together by folks who've had a lot of experience. You need to gain that experience before you can expect those type of results but that is exactly why this hobby is so appealing. If we could throw together a tank and have it perfect from the start then most of us would be bored to tears in no time. It is the learning, trying and experimenting that gives us the fun and challenge that keeps us interested.
So in other words dive in and have fun setting up your own unique scape and then have some more fun by pulling it apart and doing something different.
And oh yeh, talking about it with others and planning it out in your head time after time is also part of it.