Assuming your a male, this ones great, i bought it and ride around 10 miles a day, great bike, great brand aswell.
http://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_518233_langId_-1_categoryId_165499
it says £290 on the website but in the shop there £240, dunno why.