Questions about HP LJ5200 series

pjdd@rediffmail.com

I was asked to recommend an A3-capable B&W laser printer for a
small business. This will be a fairly major investment for them
and I don't want to make a mistake. I'm considering the HP
LJ5200 and the LJ5200N (the L version is too crippled). I'll be
grateful if you could answer these questions :

1. Are there any known bugs, quality or reliability issues with
these printers ? The main application will be printing on
polyester sheets.

2. The main difference between these two models seems to be
that the N version is network-ready and comes with a slightly
higher amount of memory. Is the price difference of Indian
Rs.16,000 ($400 US) justified, or did I miss something ?

3. Does the 5200 need proprietary HP hardware to upgrade later
to network capability ? If so, does it cost as much as the price
difference cited above ?