Total Commander

Browsing the registry would just be another extra level of awesome in TC.

Imagine it, favorites... copying keys in and out of reg files!

Find and replace...
Copy from key to clipboard (CSV)
Paste into key from clipboard (CSV) or internal editor

http://www.totalcmd.net/plugring/registry.html

Unfortunately access to totalcmd.net is very limited at the moment.
Alternative download:
http://www.ghisler.com/plugins.htm
https://plugins.ghisler.com/fsplugins/wfx_registry.zip

HTH
Holger