+1, lose the Big Bens. +1 on sample pack. Make sure you get a good ample of blades that are almost universally rated as good quality. It really is amazing that a blade can make such a difference as long as everything else is consistent.
But as Mark said, your shave can very with your prep, lathering, and technique. We all get in a rush, have a bad day, maybe our skin has had some irritation, etc. Stay with good products, take your time, enjoy the ride and you will be OK.
"Look Sharp... Feel Sharp... Be Sharp!" TOFLAC-U, BOTSS, SSB, Order of Pinaud