I would advise against using higher powered bulbs, the increased heat may well damge your reflectors too much. Normally a good quality set of normal powered bulbs will work better than the higher powered ones.
I too am interested in replacement bulbs as the standard ones are very poor indeed. Are they easy to fit? I've read different things about fitting them including removing front bumper! Any info appreciated
Just upgraded my full set from www.autobulbsdirect.co.uk - The service from those guys is excellent. The easiest way to change the bulbs is to partially remove the bumper on each side. If you do the whole thing you will have a mission to remove and refit the bonnet catch. Did it in about 30-40mins. The lights are ok but take a few days to get to full brightness. I would recommend extreme white as they still have a blue tint without being too dull.
I do a lot of motorway driving and the Xenons bring the beams up to the level they should have been on the golf!!
GTIJase - Could of done you the same products for less than them mate 
Sgt.Banjo - hard to call as I have done my 1.8T no AC no probs without bumper removal BUT I have also done a PD130 with d that was a MARE on the drivers side, passenger side just whipped the battery out and LOADS a room
ANY BULBS PEOPLE I CAN BEAT ANY PRICE THAT YOU HAVE GOT/CAN GET 
I see a lot of chav mobiles around with a slight cyan/blue tint to there headlights and I think this looks extremely poor. What I'm after is a nice bright white light. Are these bulbs gonna do the job?
hey shaq .. how much are the LED sidelights on their own in total mate ... just changed ma H7s for these brilliant white ones from halfords .. but the sidelights still cack standard lol ... got a 18T and i cant get to the sidelights for shyte ! lol how do i change em .. any info wud be helpful .. cheers
I didn't pay full price as on the Autobulbs however, got to know of them through Ebay.
Do you have a website and pricelist mate? (Shaq) I am also after some for an RS Turbo.
Sgt.banjo My main bukbs are extrem white with a very sligt blue tint which do look quite natural when warmed up. I think it doesn't look as good with the straight blue tint although the sides do look ok. Will have to send you a pic mate to see what you decide. 
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