I have had great luck with the Dell 2330dn - networked enabled, great 
B/W laser printer, with duplex and networking for under $250.  Very fast 
as well.

On 03/23/2011 12:32 PM, Carl Wilhelm Soderstrom wrote:
> I use a printer exceedingly rarely (I lived without one for well over 10
> years I think). So I got a laser printer because I wouldn't have to worry
> about the ink cartridges drying out.
>
> I ended up with an HP Laserjet P1006; which is USB-attached and works ok.
> Did take a bit of fiddling to get the correct drivers installed, and it
> requires a firmware upload when first turned on (one day in my copious spare
> time I'll figure out udev and how to automatically upload firmware); but it
> works pretty well. Only cost $100 on sale after Christmas one year.
>