It is all related to what you will do with the laptop

if it will be for editing a high resoulation graphics so you should buy:
1- MAC
2- SONY

if it will be for regular use i.e. browsing. chatting...etc then
1-Toshiba
2-HP
3-DELL
4-ACER

other brand names i guess they ok but not widely use yet like.

1-Fujutu simens
2-LG

Good luck