I will stick with 1 monitor as I don't have room for multiples.
I play skyrim, battlefield, gw2 and stuff so aren't those intensive games? Don't I rather need 120hz or is IPS really the better option? Also on youtube reviews they say 120hz is better so why exactly do you guys recommend me an IPS over 120hz mon's?
Well IPS gives you WAY better color reproduction and viewing angles whereas TN panels give you better response. The argument is too subjective to tell you which is better for your needs.
I play BF3 a lot and I've not noticed any ghosting or input lag at all on my IPS monitor. As James has mentioned look for an IPS monitor with a response time below the 6 - 8 ms mark and you will be fine.