850 brakes

Anyone any ideas and comments about this one. 1996 volvo 850 2 litre 20 valve. Sent it into the mechanic, brakes very spongy becoming harder with the next press of the pedal. Mechanic bled the brakes (60 quid, does this sound reasonable?) but pedal still low and although less spongy and more efficient depressing about a third of the pedal travel but still harder on the second press. Mechanic said it needs new discs as they are warped (I will agree with this as there is the classic symptoms of a warped disk but not severe). He says once the discs are replaced with new pads they should be as I want them. Also he says that the calipers become 'lazy' with age and they should also be replaced. In other words nearly all of the system replaced except master cylinder, pipes vacuum and abs unit. I always understood the 850 brakes were exceptional, they certainly were when i bought the car 2 years ago. A comment on another chat forum suggested that since the disks are warped, that they would push the piston back into the caliper, thus making the first press feel 'soggy'. Also, anyone know anything about drop links, symptoms of wear and replacement (how easy etc? Any comments and suggestions gratefully accepted. Sorry for the longish post! - Roy