Are you aware Windows XP is 13 years old? Technology has advanced by leaps. Nowadays it's hard to find any OS that's capable of solving a very big gap whit no pain.
What I'm concerned, It's all about stay up to date, once and for all, with all the new stuff that modern OSes have to offer. Wich distro is suitable for you? Just try and decide. Nobody can do it at your place.
Design is still the weakest point in several open source projects. Happily that has been changing recently but there's still much work to do.