Congratulations on your new boat. Our son and daughter-in-law own a Ranger 29, and are happily racing and cruising her, often with their 10 month old daughter.
The add-ons you speak of are common, and can help make boat handling easier and more convenient.
Tuning the rig is something that is easy to find info on.. a quick google gave me this list:
sailboat rig tuning - Google Search
....just for starters. Many magazine articles will be available, search this forum for discussions on the subject too!
Best of luck with your new ride! and Welcome to Sailnet.