If you are going to have an Architect draw your plans, 3D Home Architect is pretty cool. And easy to use. It should give your architect an idea of what you have in mind.
Real drawing programs do take some skill.
You may also want to try Quickcad http://usa.autodesk.com/adsk/servlet/index?id=2752576&siteID=123112
It’s less than 50 bucks. I used it to design my 2 story addition to my house, printed my plans on legal size and got them accepted by the building dept. All building departments are different though.
I’ve used older versions of AutoCad. They bought out quickcad.
No drafting program is going to be easy for someone without experience in CAD. It could take you a while to get used to /scale/pagesize/printing/. And all the other things that it takes to draw on a computer.
If you want to share files, you want to be able to export them in a .dxf format. The AutoCad standard.
I agree with Hodge I would go with 3D Home Architect to start. It will give you an idea, and the ability to present them to someone.
Then you will need to decide it you want to design and submit it yourself.
I’m building mine myself, but I have quite a bit of basic building knowledge. And I suppose it will take me about 2 1/2 years to do everything (very short building season).
I’m being the general contractor. I subbed out the foundation, though I did do the excavation (rented a small track hoe).
I did get bids on the whole thing. Out of 6 request for bids, I got ONE. Sorta, it wasn’t even on paper.