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For gaming, its all about the wired ones. Wireless has lagtime that you wont want to have. I recommend this: http://www.amazon.com/Logitech-G400s-910-003589-Optical-Gaming/dp/B00BCEK2LA/ref=sr_1_1?ie=UTF8&qid=1417819763&sr=8-1&keywords=logitec+g400

First, never get a wireless one. They're usually a pain with needing to be charged and they almost always have more input lag than wired mice. And the ones that don't have a slower response rate are always a lot more expensive. They're not really worth it.

What kind of gaming mouse are you thinking of? Something simple and classic, something with a few more buttons and settings, or something with like 20 buttons and macros on there for MMO's and whatnot?

And what do you consider "somewhat affordable"? You'll find gaming mice for anywhere between 30$ to into the 100's. Gotta be a bit more specific than that.

Right now I have a cheap wireless Microsoft mouse. I've never used a wired mouse for gaming so I figured that I wouldn't really notice any input lag. The reason I like wireless ones is because they look cleaner.

I want something with the extra buttons on the side. I was looking at the Razer Naga but I wanted to see what other good brands there are out there. As for price, I would say somewhere between $50 and $90.

For the occasional big mmo I have a wired razer naga I love. (not my photo)

Pros
-Very ergonomic
-Plenty of buttons
-Zero issues over multiple years

Cons
-Pricey

Also have a wireless Cobra E-blue that was super cheap and is pretty great for the price. Not as comfortable or high quality obviously, but it gets the job done. Might be worth checking some others out in that brand.

Use your laptop trackpad, obviously.

This struck me as hilarious

My Razer Deathadder has served me quite well.

I use this as well. Feels amazing to use too. I won't go for another mouse unless it feels as good.