In reply to OliBangbala:
I've been wearing a pair of La Sportiva Boulder Xs for the past 6 months or so and I honestly can't fault them. Great fit, very comfortable, good tread on the sole to give enough grip on mud and loose rock but very sticky and will be fine for scrambling or low-grade climbing. Not as nimble as a proper rock shoe, though, of course.
However, I've been wearing them pretty much every single day as a day-to-day shoe and the sole is wearing down quickly. I expected this, and I can get them resoled, but it's still a bit of a pain.
I just picked up some 5.10 Guide Tennies to replace my Boulder Xs for day-to-day wear. They're a little lighter, feel less rugged and the tread isn't as good on all terrain, but they look a little more presentable (should be able to get into bars with them on, hopefully!) and they're cheaper. They also look like they'd be easier (and probably cheaper) to resole. I'm going to save my Boulder Xs for proper approach use and knacker these every day instead now. Most normal people would go for a regular trainer or something for regular use but I'd like a shoe that lets me pop down to the bouldering gym on a whim any time and not have to lug my climbing shoes around every day.
They are comfortable but the insole needs replacing - the stock one in the Boulder Xs is good but the one in the Guide Tennies seems pretty poor.
In short, I think the Boulder Xs are probably better shoes. They maybe take a little longer to break in but they're very comfy once they've moulded to your feet. They're good out of the box. They're a little more expensive than the Guide Tennies but climb excellently while also offering good all-terrain traction. Highly recommended.
On the other hand if you want a cheaper shoe to beat up regularly and wear around town, with occasional climbing, maybe get the Guide Tennies. I guess time will tell here.