Links to the parts

bread board - https://www.sparkfun.com/products/9567
bread board power supply - https://www.sparkfun.com/products/114
ArduIMU+ V3 - https://www.sparkfun.com/products/11055
FTDI Cable - https://www.sparkfun.com/products/9717
GPS unit - https://www.sparkfun.com/products/465
GPIO cable for RPI - https://www.sparkfun.com/products/11489
Power cord for testing - https://www.sparkfun.com/products/298
Break away headers - http://www.allelectronics.com/make-a-store/item/DHS-40/2-X-40-PINS-SNAPPABLE-HEADERS/1.html
LCD screen - http://www.amazon.com/gp/product/B006MPRFJQ
LCD power adapter - http://www.amazon.com/gp/product/B006GEPUYA
Keyboard/mouse combo - http://www.amazon.com/gp/product/B003UE52ME
Raspberry pi model A - http://www.alliedelec.com/lp/130124rasomodela/ 
Celestron C10-N (discontinued) - http://www.celestron.com/c3/images/files/downloads/C8N_31061_addendum.pdf
Celestron dual axis motor drive (discontinued)- http://www.celestron.com/portal/celestron-motor-drive-da-for-cg-5-mounts.html