need router for denon 1912

[aryan77]

hi all I m having denon 1912 avr. i want to buy adsl2+wifi router to connect to avr. i have selected netgear dgn 2200 modem router. its n300 router with 10/100 wired speed. i just want to know weather this wired speed is enough or should i go for gigabit router. please suggest