classic mini mileage?

[Annabel]

hiya,
i'm looking for a classic mini, but my budget only stretches to about £1500.
first of all, any tips?
also, ive found this one- and i love the color and details, but should i worry about the mileage(this is my first car so i only need it to last about 2 years,will be used for leisure and socializing)link-
http://www.autotrader.co.uk/classified/advert/
200943344408656/sort/priceasc/usedcars/price-to
/2000/radius/60/postcode/rg421xy/page/1/keywords
/mini?previous=%2Fsearch%2Fresults%2Fusedcars
%2Fpostcode%2Frg421xy%2Fradius%2F60%2Fkeyw
ords%2Fmini%2Fprice-to%2F2000%2Fsort%2Fpricea
sc%2Fpage%2F1&anchor=advert200943344408656
&logcode=p#
also, any other related comments/hints/tips appreciated