Sharki says it best – you need to get some tests done. When I was wanting to buy a full-susser with precisely the same requirements as you, I demo’s a bunch of bikes (Santa Cruz Superlight, Orange 5, Gary Fisher HiFi + a couple of others). Going on all the reviews and recommendations on here, I was convinced I was going to go for an Orange 5 – but when I tested it, I *hated* it. Now that is undeniably a fantastic bike, but I just didn’t get on with it at all and that’s the danger of going primarily on other’s advice. Get a shortlist together and have some fun….
PS – in the end, I went for a bike I demo’d as an afterthought – Nicolai Helius CC – adjustable between 96mm and 138mm at the rear and between 100mm and 140mm at the front courtesy of a Fox Talas fork, weighs in at 26.5lbs – super versatile bike – maybe one to add to the shortlist if the cost and looks don’t deter you….