Which is the best buy

Ok i did alot of research as you nice people advised and came up with my first batch of notebooks i found to be good. Need your help deciding which one is a better buy

Here are my requirements

In a nutshell i will be using my laptop to watch movies,listen to music,planning on playing high graphics/quality previous,current and future games, run appz like photoshop,frontpage, burn dvds and cds at high fast/speed without leeching all of my system ram and cpu usage, want to connect my laptop to my tv to watch movies (with good quality/speed) from my notebook

1.5 ghz + processor
4-6 usb ports
1-2 firmwire ports
512/1 gb ddr/ddr2 fast ram
80-100 gb fast harddrive
cd/dvd burner for all types of files/formats preferrable DVD±RW
good quality for audio and video
a good graphic card/accelerator for latest games
need wi-fi or latest wireless technology to use internet easily
15-17" good quality monitor/screen preferrable widescreen
s-video
vga
dvi(preferred not necessity as long as theres s-video)

Budget = $500-$1500 Canadian Dollars


These are the notebooks/laptops i found to be good

ACER AS5672WLMi
http://www.tigerdirect.ca/applicat [...] 2&NoMapp=0


Gateway MX7515
http://www.tigerdirect.ca/applicat [...] CatId=1904


Gateway 8510GZ
http://www.tigerdirect.ca/applicat [...] No=1697070


Gateway MX6625
http://www.tigerdirect.ca/applicat [...] No=1873384


Please state the reason for your selection. Thx for all the help in advance