Ok, my preference is for the 748 especially if you can get the nose. 747 has a cool factor of the spa bed but it's pretty useless since F almost always has extra empty seats anyway which are more comfortable
Useless? I'd take an actual bed over an "extra empty seat" turned into a bed any day of the week, and I imagine so would most people.
Besides, what happens in a full cabin? Or even a 3/4th full and you're not next to an empty seat? No such problems on the 744.
2015: 116K bkd | 1.6M brnd | F: OZ,NH,AA,EK | J: UA,CA,TK,DL,TN,AF,VA | LIH,NRT,ROR,PEK,CNS,BOB,MEL,TLV & Pacific Hopper