Some questions about a monitor

So... I've been thinking of getting the Samsung T220P monitor to replace my current one. It's 22" BUT has a native resolution of 1920x1200. I mainly want it for watching movies, browsing and the occassional gaming. Considering that it supports fullhd is gonna be good for HD movies. What about the rest though? Is that high resolution on a smaller size screen gonna make everything look way too small? Also, considering that my gpu ain't that strong enough are games gonna look good playing them at i.e 1680x1050 resolution or much much worse?