Drum vs Disc, Power vs non Power

I'm putting on front discs because I remember losing my brakes every time I went through a deep puddle back when these cars weren't all that old and I had one for my daily driver. You'd spend the block or two after driving through the puddle 'drying out the brakes' by riding them. (Not a lot of storm drains out in the southwest, since it doesn't rain all that often.)