Oh yeah, subs really look awesome. But I have the same problem, my fps are much worse and I had some ctd's, I assume it is due to me not having installed LAA yet.
I couldn't find the description for win 7 users in the post linked above, and quite some time had passed after my last LAA install on a system. Any help would be great or a link to the description.
Anyway, fantastic work. Brings a new breeze into this old boat.