Amazon has just notified me that they have the entire first wave of The Black Series Archives 6-Inch Figures in stock as of this post. Price is $19.99 each. These are sold and shipped by Amazon.

If your in need hurry, especially if you need Boba Fett, which sells out pretty quick.

Direct Links to products:
Luke Skywalker (X-Wing Pilot)
IG-88
Boba Fett
Bossk