The Champion: Apple
The Market: MP3 players
The Competition: Sony
The Spread: $250 (Apple iPod nano 8GB) versus $120 (SanDisk Sansa e250)

The Champion: Bayer
The Market: Over-the-counter painkillers
The Competition: Generic brands
The Spread: $.07 a tablet (Bayer tablets, $7 for 100 count) versus $.01 (Geri-care brand, $1.09 for 100 count)

The Champion: Plantronics
The Market: Executive headsets
The Competition: Logitech
The Spread: $320 (Plantronics CS70 Headset) versus $76 (Logitech Mobile Cordless Headset)

The Champion: Intel
The Market: Computer CPU Chips
The Competition: AMD
The Spread: $340 (Intel Core 2 Duo E6700) versus $250 (AMD Athlon 64 X2 6000+)