Hi John,
Good to meet you today, and it would be good to get a ride in, weather and work permitting.
Details below, as promised, of the set up I use. It is a fantastic improvement over stock! I ordered this is the morning and it arrived less than 24 hrs later.
10 mins job to replace bulb unit in headlight shell. No instructions but /is a straight swop for original.
http://www.cars-gb.com/cibie_m.htm
CIBIE HALOGEN HEADLAMP UNITS
H180 RHD 7" H4 MAIN/DIP + SIDE Round Convex £18.54 £21.78
then click on bulb s and find the following (they will sell single bulbs at half this price, just ask!) This is not a sealed beam which means you can replace the bulb, not the whole caboodle, should this be required
OSRAM SILVERSTAR
Produces 50% more light than a conventional bulb
H4 (Pair) 60/55w 11.61 13.64
Yours Mark