Go to Kiltstore.net or Scottishkilts.net. Go ahead and save yourself trouble.

Get one of their "outfits" which is everything you will need for a discounted rate.

Yes, you can wear black wingtips, but if you are going for the doublet, go ahead and ante up for the ghillies (just my opinion).

Leatherneck tartan is fine. There are irish tartans also, but go with what YOU want to wear and what you like.

Keep us posted, and post some pics asap.