Not going into philosophy of using VR for exercise, the current options like Oculus are ergonomic mess. It is uncomfortable to use them normally, exercise would be a different territory altogether with their weight. Earlier options like XBox Kinect were certainly better in terms of ergonomics...
I have same cc as well and have 2 unused business class vouchers. Whenever I try to redeem the tickets seats are not available. I was fortune enough to redeem the accumulated reward points while booking a flight , hence recovered the annual fee. I am planning to cancel the cc now, can't justify...