I agree with feedback!
My advice is to be flexible. If you find a pedal you really like, then keep it, but always be on the hunt for new pedals with new sounds. Buy things used and hunt for deals, that way your resale value stays higher, when you don't like a pedal sell it and buy something else to try.
Not a big fan of the Big Muff for most applications. It's okay for big nasty rock rhythm playing, but I've found it doesn't have enough mids to really stand out in a live performance. You can definitely get some awesome sounds out of it, but as your only distortion I would advise against it.
Some ideas for pedal order would be:
wahs--fuzzes--phasers--compressors--eq--overdrive--distortions--eq--boosts---pitch effects--chorus/flange--delay--buffer--reverb
This is not a rule but a good order for combining effects. If you're going to be using your amps distortion it's a good idea to put your delays and reverbs in the effects loop of the amp. I don't currently use any EQs or compressors but have in the past. If you get a few different overdrives and distortions you like, and that combine well with each other, the need for a bunch of eq's I've found is no longer necessary.
Analog tends to have more depth and character to the sound, but this is not always the case. Nowadays they're making some really great sounding digital delays and reverbs that I actually like the sound of better then a lot of similar analog pedals. So just use your ears.