Trying to pick a iphone topic to bump with out creating another one

Im looking at ordering a iphone this week, bit confused on what to do with it once i get it. Is there anybody who is confident in jail breaking them that could help me do mine please once i get it.

hear some people dont bother jail breaking them but i want to be able to choose mp3 as ringtone easy and mms etc etc. and install heaps usless apps and games haha

any info and help be great please

oh and forwarding sms would be great as well.