i wanna buy a best laptop ..which one is the best in all aspects??

[saahas]

hi friends,
i would like to buy a laptop with best performance...in all aspects
1.battery backup up to 10+hrs
2.2gb+ram
3.160gb+hard disk
4. excellent display and sound performance
5. highly compatible for games ..

and another question is which is best...whether flash memory or usual memory(hard disks) we use??

give me details and try to give me the link where i can find up to date info about laptops and computers..
thank u...