misc. parts

So I just bought a 2004 420 with 450's and Need some help. I have read so many threads in this forum and I am so very impressed with everyone's knowledge. As a new owner I want to change/fix/update the beast and need to know where I can source the following. Any help would be greatly...

Curious if anyone has info. about where to get replica decals for my boat. Many of the decals are in bad shape and I'd like to replace them. Also, two of the pull/push button handles on two different cabinets in the cabin are not working properly. I took them apart and of course it's simply...