There are still three (3) of the S-100 bus extender boards left if you are looking for them. These are the nice ones with a logic probe, LEDs, speakers, fuses, lead clip-ons, etc. http://s100computers.com/My%20System%20Pages/Extender%20Board/Extender%20Boa rd.htm The PCBs will be $20 each as per the usual arrangement. Shipping in the US is $3 for a single PCB and $2 for each additional PCB. Shipping internationally is $12.75 for a single PCB and $3 for each additional PCB. This is for the bare basics USPS first class postage with no tracking or insurance. The builder assumes all risk of delivery as per usual arrangement. There is also one S-100 Parallel IO V2 PCB (limited edition) available for $30. These are a limited special order and have all the patches and improvements from the last batch. No cuts or jumpers required. Please send a PayPal to LYNCHAJ at YAHOO.COM with the subject "S-100 bus extender" or "S-100 Parallel IO V2" and I will send your board(s). Thanks and have a nice day! Andrew Lynch