Boeing NG & 777 Performance !

[Zenj]

Hello,

Can anyone help me out on below questions

1. Need even a website if not direct information not possible,

Performance of B737-700/800, and of Boeing 777 , in terms of fuel/range

2. What comparison can one make for fuel,maintenance and all other related costs between

A319 to B737-700/800

A330-200 to B777-200

Thanks

Zenj