use pyramids and aim to train in the 8>6 rep range, include singles every other week, and concentrate on your big lifts and getting the numbers up.......for power, use lighter weights and get your form down, explode through the lift, eventually through combining your hypertrophy and strength training you will be able to generate more force under bigger loads....
here are some exercises i see as power movements, and i tend to train to increase the numbers on these lifts......for my secondary muscles i use a rep range geared more towards hypertrophy training and asthetics........ ie. 8-12 reps, for strength 8>1 reps.....
clean and presses, romanian deadlifts, back/front squats, lunges, flat bench, military presses, upright rows, pull-overs...........you could include some polymetric training for sport specific power, i go with lifts i enjoy......remember to train your core ( abs ) to help with your big lifts, a fav of mine is hanging crunch and leg raises, and russian twists to build roational power to help with boxing etc......
here's some helpful links:
http://www.exrx.net/Exercise.html
http://www.abcbodybuilding.com/exercise1.htm
http://www.bodybuildbid.com/articles.html
hope this helps.....