I recently purchased what is called a "Bimi-Tee" for my 15 foot center console rib. They are a lightweight t top that mounts to the console so they don't interfere with swimming, diving etc. The frames come in aluminum or stainless with a retractable canvas top for shade. They are sturdy enough so that you can run at speed with the top on. The top half of the frame is easily removable so you can park it in the garage. They are a bit more expensive than a conventional bimini. Mine is the smallest size and cost about $500. Don't have a link, but if you do a yahoo search for "bimi-tee top" i'm sure you can find a picture.
As for inflation, I use the exhaust port from a small shop vac to do the job for me - works great.