I was horrified by stock bulbs but have been sus of hids due to lack of own knowledge and son having no end of problems with his. Currently running Nightbreakers which are much better than stock, but still a bit meh!
Could you pop up a link to the ones you have please G?
Your recommendation is compelling having tried most combinations back to back, which is presumably how they shit on each other?
this one..............
http://www.hids-direct.co.uk/55w-slim-canbus-hid-xenon-conversion-kit-all-bulb-types/
or this one?
http://www.hids-direct.co.uk/h4-3-h-l-55w-slim-smart-canbus-hid-xenon-kit-with-twin-relays/