Go to digikey, buy a Zilog z8 encore development system for $39
complete. Then buy a Packet whacker from edtp publications for $35
and your set. You will have code for a webserver using tcp/ip for
Try Maxim's TINI (http://www.maxim-ic.com/TINIplatform.cfm ).
The processor comes with a wide range of interfaces (CAN included),
IP stack and a simple OS in mask-ROM and 16MB address space.
The development kit is rather inexpensive ($100) and can run