I love how light weight it makes my computer feel, so much in fact i can almost do everything without having an actual OS running! It's not very customizable though but other lightweight DEs are just as easy to use if you're willing put forth some effort into finding themes or customizing things yourself (which isn't difficult at all). If your looking for something super fast this might be what you want because there really aren;t any downsides except maybe RAM usage could go up depending on which applications etc open/run while using xfce. Just give it try out first before buying anything else cause its pretty cheap considering its functions. Its great when working from school because we don't have our own computers. Allows us to type faster since most people here run windows 7 anyways :).
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