I just noticed that the initial back order is over and you can buy these and get them shipped in a reasonable amount of time.
I was going to order them from that GM Parts Guy but I saw the price jumped up to over $115 plus shipping. I searched the part number and found 3 other sites that have them still for $55-65 as of 8/1/17. The first link (gmpartshouse) is a sponsor on the corvette forum and nobody has had issues with them so that's where I'll be ordering mine. Figured I'd share the good news to help save other some cash for other mods also!
http://www.gmpartshouse.com/oe-gm/84330249
https://www.gmpartsdirect.com/oem-pa...-lamp-84330249
https://www.gmpartsoutlet.net/oem-pa...-lamp-84330249