You know, that might actually be a good idea. Sounding more hip (without sounding stupid) could actually help. gnu.org could also use some serious redesign. Brand is important.
Also, fsf.org doesn't immediately scream at you what the FSF is and why you should care. They might want to work on that.
I agree on the fsf.org observation. If you look at the EFF as a comparison, their website has the tagline "Defending your rights in a digital world," which makes their mission clear.
Also, fsf.org doesn't immediately scream at you what the FSF is and why you should care. They might want to work on that.