Can I move "Pages" of apps in iOS 5?
You can move it by pages in the iTunes interface but (so far as I know) not on the iPad itself.


Connect to your computer
open iTunes
select the iPad in the left column
select the apps tab along the top


At this point at the upper right is a view of the apps on the iPad.  You can drag and drop apps to move them around.  You can grab a page and drag it up and down the list to rearrange the pages.