my updated rankings:
1) Singapore First A380
2) Cathay First 777
3) Emirates First A380
4) Singapore Business Class A380
5) United First 767
6) Thai Airways 747-400
7) Emirates Business A380
8.) Cathay Business A330
9) Cathay Business 777
10) Swiss Business A330
11) United Business 777-200
12) United Business 767-400
13) Austrian Business 767
14) Lufthansa Business A380 (old angle flat version)
15) Lufthansa Business A340-600
16) United Business 757-200
17) Emirates Business A330