In reply to alasdair19:
Alpkit Gamma is good for £15 / 100 lumens
Or the New Lenser Seo 5/7 are pretty special just out this winter not the greatest battery life but there bloody bright and Lenser have defo improved the build Quality Ive just bot a seo5 and very impressed.
Or just upgrade to the latest Petzl Myo Rxp 205 Lumen one is pretty good I've got one I use for Winter climbing good battery life!