The value of compatibility hinges on the savings. If we're talking about $100, yeah, I can keep my old PS2 around for when I am Jonesing for some Wipeout action. If we're talking $10, then I'd prefer the convenience of one machine in my living room.
The Tao doesn't take sides; it gives birth to both wins and losses. The Guru doesn't take sides; she welcomes both hackers and lusers.