Fiber Images is the only manufacturer of the CF hoods for the 3rd gens. You have to go thru a distributer since Fiber Images does not sell directly to the public. The price is $525 plus shipping (which runs around $170). Expect to wait about 6-8 weeks.
If you want one go to
http://www.aeiperformance.com the car pictured is mine. I am very happy with my hood and I was even more happy with the service I got from AEI
I don't know about the rear deck lid. I am installing R33 tails so I couldn't use one anyway. Also there seems to be debate on having the center section molded in or not. There was a thread about having a group buy to have them made on maxima.org about a year and a half ago. I don't think it ever happened