Page-by-page iterator pattern

there is the built in paginator, which i don't recommend, and there
are several different plugins/gems which cam be used as replacements.

paginating_find [1]
will_paginate [2]
paginator gem [3]

[1] http://cardboardrocket.com/pages/paginating_find
[2] http://plugins.require.errtheblog.com/browser
[3] http://paginator.rubyforge.org/