A 6k sensor upgrade for the C500 with RAW 4:4:4 14-bit with a $5,000 price drop.
A 4k firmware upgrade with 4:4:4 12-bit for the C300 with 120fps at 2.5k and 240fps at 1080p 4:2:2, all for under 10k.
A 5Dmk4 with uncompressed 4k at 24p, 120fps and 60fps at 1080p.
A 24-105mm F2.0/L IS USM for under 3k.
A guy can dream, right?