You mentioned that the boat's interior was stripped due to rot. Have you found and sealed the source of the leaks? Have you inspected the lateral supports (bulkheads, stringers, etc.) for any additional damage? Is she still in the water or on land?
Older boats used a lot of wood (some sandwiched it between the fiberglass in the hull to provide strength, most use it in the decking, too) for structural strength, and it's important to find and replace as much of the rotten wood as possible (especially the rotten wood in those areas) BEFORE you start sailing her. If the chainplates are bolted to a rotten bulkhead and pull through, your mast could come crashing down while you're out.
Yeah, I know, nothing like a little "doom and gloom" to brighten your day!
Sorry, I try not to make a first post a negative one, but in your case, I just wanted to make sure you knew to be careful.
Oh! As I scrolled back up, I saw that you mentioned that the sheets aren't there - GOOD! That means you can't be saiing her. I'd recommend not buying used lines for your sheets - it won't cost you much more, and you'll be able to know more about their age and condition that way. Blocks/pulleys/etc. can be found at reasonable prices through a variety of vendors (I've bought from Garhauer and been pleased with them).
Have you ever sewn? Will you be altering the sails yourself or sending them to a loft?
You're in for a wild ride, but when it's done, if you take your time and do it right, I'm sure you'll have a boat to be proud of.
Again, welcome aboard!