That's what you think and expect, but it might not be what is happening. The 40xx series is already priced above a point where people that don't have the necess

That's what you think and expect, but it might not be what is happening. The 40xx series is already priced above a point where people that don't have the necessary disposable income can afford a 40xx. I doubt the electricity prices affect hobby and professional users of these cards all that much.