I am sure it is a good browser. The thing that just bothers me, is, that everything is rendered at the SKYFIRE servers - now, for getting the web content including flash, jave and multimedia on my phone ... well, excellent job! However, I have some security concerns regarding online banking and other stuff I do in the web, so, I most likely won't use it because of the rendering / generating of code at the Skyfire server!
Sure, the developers will tell me "It is 100% save" but then, ... I guess you got my point?
<Just my personal opinion - I am sure lots of users will be happy with Skyfire!>
Listing spec's is not