NE2000 clones.  Tend to cost < $20.
Tend to be worth the cost.  You can make your life
not suck and save lots of time and get a decent card.
Some grumble, but I've never fought an Intel or 3COM card.
They cost more.  And I've not spent HOURS working out problems
with them.

Oh, and PCI it usually well worth not hassling interrupts.

Quoting Anton - Valqk (valqk@lozenetz.org):
> Hello netbsd-help,
> 
>   Hello NETBSD crowd!
>   I have a problem...
>   I have installed the NetBSD as described in the manual...
>   but I have a prbolem, when I ran it it doesn't find my lan card.
>   It is NE2000 compatible (IBM something, ISA, IRQ=9 IO=0x340) but the
>   GENERIC kernel do not find this one... and I can't download the
>   kernel sources to recompile .... what can I do... should the kernel
>   find the ISA card by itself or I should put something in the
>   configurations? Oh and something else I have only ONE conlose? Why's
>   that when I have WS_CONFIGURE="YES" and WCCONS="YES"?
>   Help please!
> 
> -- 
> Best regards,
>  Anton                          mailto:valqk@lozenetz.org