Sawyer filters are a GREAT piece of equipment! After years of using chemicals, it was great to finally be able to taste the mountain water.
Only additional advice I have to offer is make sure to backwash the filter after each trip (or at least once/week, if you're out for a long hike). Also if you get water from a non-flowing source (not recommended, but sometimes necessary), you may need to do an extra backwash. I used to leave the syringe at home, but after one trip with several days of "now let's spend another 30 minutes filtering water because my Sawyer is clogged...", I learned my lesson.