Pushchair/buggy/stroller or what eva else you want to call it....?

i want to by one for my son who is 18 months i use my pushchair all the time everyday and walk for miles... im after a new one but which would you recomend i have abudget of �80 i live in stoke on trent so if you know of any where that has got a good recomended one on sale... that would be a great help... i can not afford to by one then the wheels go on it... so i need a defanate recomendation because you have used if and you know it would be perfect 4 me .... many thanks...x