>>3151135Portra is an awesome film. Just overexpose those highlights as have a good time.
>>3151142The version scanned with the Epson took very little correction. I usually don't like the cyan tone in the skies so I slide cyan towards blue and desaturate it a bit. The other thing I do is carefully set the black points in all the individual color channels using luminosity masks. I've got more details on that here:
http://www.alexburkephoto.com/blog/2013/06/02/scanning-and-editing-color-negative-filmHere's another sheet of Portra from Death Valley