I agree - the best way to get started is to go through the book thouroghly, watch the videos, and diving right into your own project.
I actually started using softplan when I was framing - I used it to specifically draw complex roof plans. I would pre-cut an entire roof on the ground before putting any of it together, so I wanted to have it all drawn out with all the rafter lengths to save time calculating in the field, then I eventually got into drawing entire plans for builders. Now I mostly draw 8-16 unit complex apartment buildings, as well as complex houses, additions, etc.
I'm in CT as well, so you could always email directly with questions at kobuilders@comcast.net - depending on where you are located, we could always meet up and you can shadow me if you want.
Being a builder in CT, you are obviously dealing with the newly adopted 2009 IRC - I also do very comprehensive wall bracing plans, have done them in 10 different towns for various builders, and have had no problem getting plans approved.
Keith