Guess #2
1. The Short Stack (DVD / SACD player)
2. Double tray DVD (video & audio) / SACD player
3. Short stack = 2 pancakes, therefore 2 trays = short stack

Guess #3
1. Combo DVD / SACD player (the short stack)
2. Double tray DVD / SACD player
3. Short stack = 2 pancakes, hence two trays

Guess #4
1. The Short Stack
2. 1 of each: DVD player (audio & video) and SACD player
3. Short stack = 2 pancakes, so two thin components = The Short Stack

all for now . . .