My new toys: Apollo and Osborne 1

Hi all Scored some nice new toys, an Osborne 1, and two Apollo workstations, a 3000 and a 3500, with one mono monitor. The 3000 has the following boards: Clearpoint memory card, 72 x 4256 chips (8M?) 8496 rev 01 (4M memory) 8157 Rev 03 (19" mono video adaptor) 7831 rev 0, 5885 rev 4, 5891 rev 4 (Ring Adaptor board set) Western digital MFM/floppy controller (I think) and a MFM 86MB drive, and a floppy (The floppy is loose, don't know if it's original. NEC FD1155C. 1.8 degrees/step stepper, so it's 80 track, probably 720K, or 800, whatever. I also have the monitor that goes with this machine. The 3500 has the following: 9988 rev 3 memory card (no idea of it's size) 3com ethernet card 9016 (RGB video adaptor) WD7000 scsi/hdd controller tape drive unknown Unfortunately I don't have the RGB cable or the monitor. Questions: * Can I use the mono display adaptor in the 3500? Can I run one of these boxen without a display card, or do they check like peecees? * How ISA compatible is the ISA bus? Can I stick a VGA card in there and expect it to work (OK, I know I'll have to write the code (port the VGA BIOS) but I mean electrically? Or an IDE controller? * Where can I find memory maps, circuit diagrams, whatever? * How rare are these beasts? I gather they're common? Any objections to me ripping out all the cards and the boot rom, sticking vmebug in the socket, and an IDE drive in the bay, and playing with the thing? re the Osborne 1 : where do I find a boot disk image, what format is it, and how can I write one on a peecee? ISTR a program that writes all these formats, I'll probably have to go dig up a 360k floppy drive, yes? Thanks Wouter