color film opinions/advice wanted

[h2oman]

I was given a bundle of 120 color film. I like to do landscape/nature, and the question is: What are the strengths and weaknesses of each of the following films in terms of what sorts of subjects would be best suited to each film. I'm primarily interested in color rendition, as I have some idea of exposure latitudes.

Fuji Provia
Fuji 160 NPC (says portrait, but...)
Fuji 160 NPS
Kodak Echtachrome

There was some Velvia as well, but I am pretty familiar with that.

[Daniel Stone]

Provia is a great "all-round" film, and is the current "natural"(although I still find it a bit saturated in the cooler colors) rendering film in Fuji's transparency(E-6) lineup
160NPC is the pre-cursor to 160C, the slightly contrastier/more saturated color neg films. **C-41 film
160NPS is the "natural", more pleasing(lower contrast/saturation) "portrait" film. Great all-around film IMO. **C-41 film
Ektachrome: there were a gazillion formulations made, which one do you have(EPP(100 Plus), EPN(100), EPR(64), E100G, E100GX, E100VS?) E-6