Durango RTR was available from MBModels for £155 - you won't get anything better for that money (2.4Ghz radio, brushless etc etc etc). Seem to have sold now but they do still have the truggy version which with the bigger tyres might fair better in the park with twigs and tree roots etc..
http://www.rccarshop.co.uk/index.php...y-rtr-red.html