Some days passed and i've got a nice 12V rechargeable battery.
Also the Steppers have a way to fix to the chassis now.
Missing items yet:
linux supported webcam.
linux supported pci wireless card (prism2 chipset comes to mind).
90ยบ PCI riser optional.
Few pic16C745 to burn while debugging the usb controller()
progress photos uploaded
hereIf any good sould can provide with some samples of integrated circuit L293E (3 to be more precise) i would be very grateful(cannot find these locally).