As Zuma has said the Tikka XP2 is a brilliant headtourch. Love mine and the differnt features it has.
2 Beam strengths and sos flash
red light (think also has sos flash)
Slid on the front the give the beam a wider angle
Batter indicator
whistle on the strap
and waterproof (which it deffintly is as ive used it on a river on a night time white water kayaking trip).
While also being under half what your budget is so could pick up 2 and keep one as a spare.