I need some help buying a gaming monitor, I will be using it for xbox and all these are 1ms but I dont know what one to go for please help!

my ideal one is this: http://www.ebay.co.uk/itm/ASUS-VN247H-23-6-Widescreen-LED-Full-HD-Monitor-built-in-speakers-1920x1080-1ms-/310515080665?pt=UK_Computing_ComputerComponents_Mo nitors&hash=item484c241dd9

as its 24 inch and would prefer that but here are some others that are 27 inch

http://reviews.cnet.com/lcd-monitors/samsung-syncmaster-p2770fh/4507-3174_7-34333963.html

http://www.viewsonic.com/us/vx2739wm-vx2739wm.html

http://www.asus.com/Display/LCD_Monitors/VS278H/#specifications

what do you guys think the best 1 is? I do not care about the prices
they all have hdmi inputs so I really do not know what 1 to go 4 please help!

Thanks in advance