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We don't know diddly about cameras apart from our one has broken.
Budget is £150.
Ta.
Define "best".
Just took this of the space station with my Canon S100
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Cracking camera even though the flash is crap as it sticks down some times
As above, Canon S(whatever model you can get with £150, S95 possibly?). Tiny camera, high quality pics.
Canon S95, top notch.
I've seen/used a whole host of small Canons (Ixus, Powershot, S) and have been very impressed with them all.
Canon Ixus. I'm sure not the best camera, but I'd rather have a crap photo then no photo (because I left it at home due to size).
I'm prob selling my s90 s95 not 100% sure, I'll let you know if it interests you.
Just got a Canon S110 after much debate. Bit over your price range tho, cost me £230 off ebay. Maybe consider S95?
S95 is great and if you can get one for £150, go for it. Otherwise, bit of a silly recommendation, something twice the OP's budget!