What kinds of things do you want to do to the gli? If its just trim and interior work i'd suggest the 1/4in set. There are adapters that go from 3/8 to 1/4 to work with your drill driver.
Want to pick up one of the comprehensive Wera Zyclops ratchet kits for my getting around the GLI. Can't decide on the 1/4, 3/8, or 1/2 drive. I'm thinking 3/8 because I have a Makita impact driver that's 3/8 already. Anyone have an expert, or journeyman opinion?
The kits nice. A little pricy in my opinion. If I were you i'd go with one of these sets: http://www.ebay.com/sch/i.html?_nkw=...int+blpgssc155 and then pick up a full set of torx bits and a triple square bit set. For all of these you'll still be under the price of the one you posted and have more tools. The blue point tools are like a starting set of snap-on. Great for diy and home auto repair.