Comfortable isn't always the best for your back, y'know?Just sayin'...
You can have both, but they don't usually come cheap.
This chair is incredible, when it goes on sale it can be as low as $150.
OM has it in stores, you can see for yourself.It has a setting to make it tilt all the way back, not tilt at all, or anywhere in between with varying degrees of resistance which is great.
You can get a 30 off coupon on eBay for a couple of bucks.