I've got a 233mhz MMX subnotebook (Toshiba Libretto) from 1998 that's still going strong, I swapped the HD out for a CF card and put Win2k on it. Quite the original netbook, given a WiFi card.
..and it sounds like the OP will never get his poster at this rate. Find one online and have it printed by someone with a plotter, maybe.