yeah if they are beat get a new pair, boots are really important in the comfort of your skiing. if you have chicken legs like me and you get shin bang real bad try getting some free mouse pads for a computer (the soft ones not the plastic ones) and velcro them to the tounge of your boot, this will let you get a snugger fit and less or now shin bang, worked wonders for me.
Equipment is expensive, and i need lots of new stuff, i love being a poor college student!!!!