Hi ChefBorjan. No, not at all. The GPUs don't do a whole lot and eat a lot of power, relatively speaking, but I need a computer running to keep our BFL gear fed anyway. The drop in dividends is caused by the ever increasing difficulty and yesterdays large increase. This will effect everything related to BTC mining. The drop in dividends would've been over twice that had I not added more hashing power.
Cheers.
I recently updated our spreadsheet and the front page:
https://docs.google.com/spreadsheet/ccc?key=0ArTS7AD--9SWdDNfb0lRNElqS1k1eGRoWEw2TGM4NlE&pli=1#gid=0
If anyone finds any bugs let me know. I got behind on my paperwork while travelling. Trying to get caught back up.