Here is Kipper2k's stuff for sale
http://kipper2k.com/amigaforsale/you will need to get the 4 or 8MB RAM with A1000 adapter. The adapter is used to move the RAM board away from the floppy drive.
@desiv
The sync strainer is mostly used with Video Toaster boards by providing a correct signal that is necessary for the Toaster to bootup when using with VGA type monitor. It can also be used a 23->15pin converter. He probably has a monitor that supports 15KHz displays.