Is this going to work

Am I going to have enough room for the heat sink etc.

what do I need to clean/put on the heat sink

how do I make the optical drive look good




looks like it should work 

for making the optical drive look good, you could (depending on how easy the cover plate is to remove off the case) recess the optical drive and remove the cover plate every time you need to use it. or you could do some modding and make a door kinda thing.