It is definitely worth upgrading from RHX5 if for no other
reason than it is not supported anymore. As you would expect it is
packed with additional features but only you will kneo which of
these are useful. The best way to see for sure is to download the
fully working trial version and have a play.
Just take a backup of your RHX5 files and open then up in
RH7. Note you must take a backup as RH7 effectively rewrites the
underlying HTML code rendering it unuseable in previous