If you're not certain, I just might have a suggestion!!!

Go SOVIET. No, seriously!

FEDs and Zorkis don't have the sex appeal of a Leica but there are literally millions of them out there and they are cheap and reliable and the optics are very good and easily had.

It might be a decent way to test the waters and see if RF is what you want to do.

Just my $0.02
Kent