And for anyone who wants to get all ambitious and go over the top, I've been looking at the HDCC-150W supply, which is the largest of all in the Condor, PowerOne and Calex ranges. They're not as easy to find as the CP498A, but I noticed one on eBay today, and did a few measurements. The 105W is 362mm long, and fits OK. The 150W is 381mm long, but is also 115mm deep. I reckon it would fit both the G68 & 861.

Nick