1) I use size "A" thread, it looks the best. Keep the wraps tight. Use nylon, more colors and not as touchy with the color preserver and finish.
2) Handle kits are fine if you can find what you want, I always use preformed cork fore and butt grips. Just easier to deal with than cork rings
3) I use the Fuji BNLG's resonable cost and a good guide. You can go with the high end Titanium guides but they are spendy. Almost anything in anglers catalog is a decent guide. I prefer lower profile to the high profile also.
4) Get some Flex Coat finish for your rod. It is real good and fairly easy to use if you follow the directions. Makes the rod look real goo dwhen done.
5) Color Preserver is a good idea otherwise your thread will absorb the finish and darken quite a bit. Can be agood look depening on what you are looking for though.
6) Brushes are need to apply color preserver and finish

Like mentioned before go to rodbuilding.org and there is a great list of tips and also vendors for supplies. Anglers has a wide selection but not the best prices always. Good Luck