Well, since nobody else seems to have said it, my vote is for a 40s or 50s Gillette, probably a Superspeed. I know of nothing better and there are plenty of bargains around.

Did somebody mention blade sampler packs? You pretty much need to get one because blades are a personal thing. Try to stick with each type of blade for a week or more before deciding whether they're for you or not. Once you find out what you really like, buy a lot, because if you don't chances are they'll get discontinued - this happened to me with the UK made Wilkinson Sword blades, and Swedish Gillettes. Once I found my replacement for these (Super Iridium, for what it's worth) I bought a thousand, even though I use a straight 90% of the time - once bitten ...