first off the deck. no real install pics to speak of here, pretty standard harness. although the bmw's do have a ABS shelf that keeps the deck separate from the other components that makes it very difficult to run RCA's and other cable so i cut that out with a dremel (sorry, no pics. i was working solo)
the sony deck looks and works great. very easy menu's. my mom was thrilled with the little "EQ" animations also.
My main goal in this was to improve the sound without permanently altering the car (which other then the shelf in the dash that had to be removed, i did. who will notice that anyway

and to retain as much precious trunk space as possible
Gear going in was a:
sony CDX-F605X
RSD 5.25 (front and rear powered of the deck)
JL W18 SVC
xs2300