Nice boat. Congrats on the wedding. Been married for 16 years now and still happily married :-) Hoping you'll be able to say the same as the years go by...
Easternmarine is a good resource for all things trailer related:
http://www.easternmarine.com/boat-trailer-parts/
As for tops, I bought and installed a prefab top from Stryker. Very happy with it. Here's the website:
http://www.strykerttops.com/