Advantages of the phone:
Works as a phone
Small enough to carry always
Has GPS
Socially acceptable to use in a pub/restaurant
Touchscreen allows rapid interface navigation
Disadvantages of the phone:
Annoying OS
Low spec, not enough RAM
Browser forgets tabs
Tiny screen
Advantages of the netbook:
Runs a real OS, easy to control
Mature software ecosystem, real web browser
Faster CPU
Clamshell form factor protects screen, acts as stand
USB ports, can read flash drives and SD cards
Disadvantages of the netbook:
Showing age, 1gb RAM and replacements are too large (901 was the last 9 inch netbook)
Battery won't last a full day
Still awkwardly large for some scenarios, not easy to hold and type standing up
Screen only 1024x600, some websites cramped
Advantages of the Pyra:
all advantages listed above
Disadvantages of the Pyra:
none of the disadvantages listed above
So where you see awkwardness, I see the ideal middle ground.