After hanging out in the premium deal forum more, I honestly can't value a Europe trip at more than 2k USD and an Asian business class trip at more than 3.5k USD.

Occasional fare sales with limited availability isn't all that different from award tickets with limited availability, except one is limited time frame and the other is limited seats

The BA deal the last two days for 1200 USD after aarp or 500 after spending an extra 30k Avios really devalue award tickets