If you are going for the day it is not worth the extra drive on to Davos and back again at night. The big cabin in Klosters takes you to the same area as Davos. However the connection it by a double T bar.

The start at Davos can be a bit daunting and if it is to be Davos the Jabobshorn side has wider and easier slopes.

The decent into Davos on the Parsan side is a (not very) Black run. The decent to Klosters is great, but a red.