Bike lights uk are cheaper for magicshine lights even with the discount than magicshineuk and if you ring the guy he will give you discount code for 10%, well he did me The MJ880 is only £134.99 atm it's £159.99 from magicshineuk
Why put off until tomorrow what you can do today If like it today you can do it again tomorrow.
Went out last night and these seemed to work a treat, out for 2 hours and the battery indicator just dipped to just under half charge. Just be warned - needed an adapter for the charger to convert to uk socket. Available for about a fiver from Maplins.
Not sure how it will fare long term but seemed a bit of a bargain.