Netscape7.2 fresh from the oven...so should I upgrade?

While adding the "Get Netscape" link to my template
yesterday, I noticed that Netscape7.2 is already
avalible for download. While still happy with 7.1 ,
it's always nice to have something new to play with.
But most of the feature on mentioned on the site are
already present in 7.1, with this new version, I guess
all you get is faster speed& unnoticable minor tweaks.
And what I'm concerned of is 7.2 maybe won't accept my
old theme that I used with 7.1. But it might also be
another "under promoted" great product. So I guess
I'll get 7.2 and play with it for a while, and maybe
write a review after that.