Which is the best Martial Art (Discpline) to practise?

Ah, we've all been there some time in our life, wondering which was the 'ultimate' Martial Art to take up; usually our choice influenced by some awesome (or not) recently watched Martial Arts film, (although to someone who previously had no knowledge of marital arts it's all the same, and most probably went to the wrong martial arts class. Believe me, I've seen this happen). It's probably one of the most asked questions in the field of sports and recreational hobbies. So, what is the best martial art(s) to practise? Whether you're completely new to martial arts or just want to read something related to your interests lets read on to find out...