some reviews click here click here
from this review it says around 4 hours 50 minutes of up time.
booting up and shutdown times depend on whats loading with windows(software/services etc) and what programs/services need to be shut down when you turn of so will vary greatly depending on what you have loaded.Windows CE im not familair with at all sorry.
maybe have a look click here or click here
connecting to internet im not sure of either sorry.