hello everyone, at 47 years of age i have decided to quit running every night because of the strain put put on my joints and would very like to get into cycling,i do not have a clue as to what type of road bike i should get, i can afford £300'ish and have been looking on ebay so any help or advice would be great,i am 5' 9" so what size frame should i be looking at? thanks in advance..dobber(newcastle upon-tyne)