Marilyn:
I don't agree that you need to "get it right off the bat"... unlike a car (4,6 8 cyl options; auto, manual transmission, etc etc.) a motorcycle LIVES for after market "things". I feel you have two choices to be made right away: color and SE5 or SM5 -- the rest can be added when YOU want.
Besides, ordering "stuff" is what helps keep UPS trucks on the road; my new Corbin seats arrive via UPS Friday..

hyea:
don