I'm a ripper, too! I don't like to piece borders if I don't have to and I love to rip nice loooong strips of fabric for borders. I trim about 1/2" off after ripping, so if a piece is going to be ripped on both sides I make sure to rip off a piece at least an inch wider than what I need.
I also rip up old bed sheets and cheap muslin to use as foundation for crazy quilts. I rip 13" squares which (after I sew all my top fabrics down) get trimmed to 12-1/2".
Plus it's just so SATISFYING. If I'm in a grouchy mood I love to go rip up some fabric. Constructive destruction...love it! I can judge my recent stress levels by measuring the size of the stack of muslin squares in my stash, LOL!