I ' m using a axon 7 now and I think it ' s pretty good . I haven ' t found many problems . The biggest problem was the bell thing on the lock screen and they fixed that . All in all I think it ' s a good phone . But then again I switched from the Samsung s 4 so anything would ' ve been amazing . <| sep |> I like the subjects , but I really don ' t like how they produce and edit the show . <| sep |> Not necessary at all . The pros are that dual fan AIO ' s 240 and 280 mm radiators do cool better and are often quieter and better aesthetics subjective but generally agreed upon . The cons are that they are generally quite a bit more expensive than top of the line air coolers and have mounting issues in some cases . So no , you don ' t have to . But if you like the pros on that list and don ' t mind the cons , especially considering deals , liquid cooling isn ' t unreasonable or overkill .