Don't know much about routers... help me out?

so i have a modem router combo with a coaxial port, and according to my dad it's all in one. could you guys recommend some routers with 20-25 down and around 3-5 up? I built my computer and play many online games so i would like it to be fast. my internet drops all the time in game and i always have to reset my internet because sometimes when computers turn on it says unidentified network and no internet access. maybe you could also help me if there is a fix to that?

check out asus routers I have heard they are pretty solid.  I had this one (I gave it to a freind) and it works great and still does.