EB with a backup

[||Lz3||]

yep, it uses mod switch so... none of the vanilla RTW should be changed during the instalation , so backing up vanilla files isn't that important... at least in my opinion

[bovi]

Yes. You can create as many copies of vanilla as you prefer to install various mods. Personally I have 7 RTW installations:
* BI 1.4 - for copying in case I find a mod I want to try
* BI 1.6 - for copying in case I find a mod I want to try
* EB 1.1 - of course
* EB1 internal version
* FATW 2.5 - recommended
* RTW Vanilla 1.2 - for copying in case I find a mod I want to try
* RTW Vanilla 1.5 - for copying in case I find a mod I want to try

Edit: Actually, it is recommended to install EB into a copy of a clean 1.5 RTW, just as you propose. That way you won't have to install any vanilla stuff if you screw something up and need to reinstall.

[Jacob Debroedere]

Thank you.