LG DVD-Writers are pretty short. 0.5CM shorter than Lite-On's.
LG:
http://www.amazon.co.uk/LG-GSA-H10N-Super-Multi-internal/dp/B000GTLQ6W
Lite-On:
http://www.amazon.co.uk/Liteon-Dual-Format-Layer-Writer/dp/B0002FZZPS
How many HDDs will you be using?
If you're using just 1 HDD, you can remove the HDD support brace of the Apevia & it'll enable you to fit those monstrous HSFs. :D
You can always drop in a Zalman 9500 or <insert personal perference here> later on if you feel like it.
In the meantime, a stock...