XP VS. Pocket PC 2003

Microsoft Windows XP

Hi. Can you replace a desktop PC with a wireless PDA
with Pocket PC 2003? Would the wirless PC be just like
having a Desktop PC with XP, say if all you wanted to do
You can surf the web on a wi-fi enable Pocket PC. Of course the screen is a
lot smaller than on desktop so it's much harder to navigate. Also more
complicated websites will not work.
You can also do word processing but again nothing complicated. Pocket Word
that comes with Windows CE is extremly basic