a few issues remain however, the cd drive only reads discs when it wants to. takes 237 attempts to get simcity going and/or the welcome cd, but once they decide to run the don't stop..
When you have inserted the caddy, try to press it a bit deeper and down. In my CDTV the caddy doesn't always move all the way thrue and needs a bit of a push to lock to a correct position. Also sometimes the intro screen turns red (meaning the disc cannot be read), even without a disc inserted. I guess there is sensor -switch inside the mech. and cleaning that would improve this.
Video module; you mean the 470 uF 35v cap won't fit because it's too high? If there is enough space, you could try mounting the caps horizontally. Leave long enough "legs" between the cap and the circuit board and bend the cap against the board.