This is Sensei Merriman's Kaishu kata DVD:  http://www.amazon.com/Goju-Kaishu-Hanshi-Chuck-Merriman/dp/B000G1T4CS/ref=sr_1_2?ie=UTF8&s=dvd&qid=1213715254&sr=8-2

It contains all 10 Goju Ryu Kaishu kata, and it's an excellent resource.  

This is Taira Sensei's new electronic book on Gekisai 1 and 2 bunkai variations.   He's very good at bunkai, and eBook is very well done.  It's a very large (82MB) .pdf download.    Be sure to have your Adobe Reader at version 8 to take advantage of some of the nice features.  You can pay for it ($22) and download immediately: 

http://www.okinawadirect.com/shopdisplayproducts.asp?id=114&cat=Gekisai+I+%26+II+Bunkai+E%2Dbook