If you use Viper, this is the single nicest tip I have: http://edward.oconnor.cx/2009/08/viper-tweaks
Some tips on running a dedicated Emacs instance for Gnus: http://edward.oconnor.cx/2010/08/standalone-gnus
If you use Viper, this is the single nicest tip I have: http://edward.oconnor.cx/2009/08/viper-tweaks
Some tips on running a dedicated Emacs instance for Gnus: http://edward.oconnor.cx/2010/08/standalone-gnus