The dark nights are upon us and one of my headlight bulbs had blown, so I thought it was time to upgrade to some Philips Xtreme Power bulbs.So I went to Powerbulbs.com and ordered a set of H7 bulbs for my Ford Focus. They cost £27 and included free delivery and a set of Philips Blue Vision sidelights and arrived the next day (I’ve bought from Powerbulbs...