What to buy from this?

http://www.pcpractic.rs/proizvodi/misevi/5448-logitech-g500-gaming-mouse-with-gaming-grade-laser

http://www.pcpractic.rs/proizvodi/misevi/5929-razer-death-adder-usb-mouse

http://www.pcpractic.rs/proizvodi/misevi/7646-logitech-optical-gaming-mouse-g400

http://www.pcpractic.rs/proizvodi/misevi/8403-razer-naga-epic-elite-wireless-gaming-mi

http://www.pcpractic.rs/proizvodi/misevi/6167-razer-usb-razer-naga-laserski-blackblue

http://www.pcpractic.rs/proizvodi/misevi/8393-razer-usb-razer-naga-molten-spe

http://www.pcpractic.rs/proizvodi/misevi/5447-logitech-performance-mouse-mx-darkfield-laser-tracking

http://www.pcpractic.rs/proizvodi/misevi/5928-razer-mamba-wireless-mouse

?

more suggestions?