Buy the books. Understanding comics is just plain interesting. A good story, well told. Haven't read the follow-ups. Guys like McCloud break open the perception of what graphic storytelling can look like. More money to him = a good thing in my book.
Making Comics is good, but only if you're interested in, you know, making comics. The others are fun and enlightening for most anyone who reads comics.
Having the priorites behind the project (improving the general body of freely available libraries for future browsers, encouraging sandboxed processes for each separate tab, etc.) makes it seem far more significant than just a new, fast browser. (If I want a fast browser, I use w3m or dillo. That's not the point.)