IP/Crystal is my #1 choice.
Viva el Sebo!!
The Merkur blades have always worked well for me, but I now prefer the Crystal or Derby blades. The sample pack is the way to go, though. Amazing the variety out there.
Of a thousand shavers, two do not shave so much alike as not to be distinguished.
Samuel Johnson: Boswell's Life, Sept. 19, 1777