you dont
need to but it certainly helps.
and generally if you like using the internet for whatever, then i'd definatley consider it. if u talk in the general section about connection you would get more opinions (not many ppl read the df2 section :/ ) but everyone would recommend changing off dial up.
just some info:
if you get cable in your area >>
http://www.telewest.co.uk/html/internet/internet.htm
if you cant get cable then you would have to get ADSL, i just connected with pipex >>
http://www.solo.pipex.net/