Thanks Ticol07

The dirts on B3 is like the real ones.You can't run it without any amp after.The total balance is usefull only if the fx you run haven't balance in there settings.This is true for my G5 when i run it with my bass.The b3 have allmost in all fx balance control so you can use this.The balance in every patch is the only reason the B3 have so limited number of total fx in a row.The G5 with the same chip inside can run up to 9!!!.The ability to balance the signal so many times is processor eater....
I didn't know that regarding the processor.
But what I mean is that it's not tonally the same to create one distorded tone in a patch then blend the Total patch with the clean signal as blending each pedal.
You can have more subtle effects and still play with the balance of each pedal.
And, I always come back to the SVT model because it's the only with which I have the feeling that the overdrive acts on the whole signal. With the other overdrives / distorsions models I always have the sensation that the harmonics are generated on a higher register. And they, to my ear tend to sound thinner. It can sound nice but doesn't fit to some of my tonal goals.
So, the ability to blend the SVT with a clean signal is a nice feature for me. And the SVT model has great eq capabilities, which helps to get the better settings.
Adding another drive before the SVT with this kind of use really gives a fuller and richer flavour.
And I can have a very dirty signal as I will blend it.
But it's a bit complicated to set : so many options !!
In my case I noticed that when I use drive I like to have some push in the low mids / mids (in the 500/800 hz area). It's what come through the best when playing with my band. High mids and highs tend to fight too much with the guitar, so if I want to be heard by pushing them I have to push them a lot and it can sound too agressive.