Looks like it will be a buyer's market in the next 5-10 years. Come to think of it, I don't know if MUSS can be fitted on to a platform other than Puma, though since it's modular I suppose it's perfectly possible.
As regards the IBD system:
IBD Deisenroth claim the system adds about EUR250,000 (US$302,000) to the cost and only 0.5 tonne to the weight of an armoured vehicle. The system is composed of a number of autonomous modules, each incorporating an unspecified sensor and directed kill mechanism. The sensor is designed to detect incoming guided weapons, shoulder-launched rockets, or tank-fired kinetic-energy rounds at short range. It then triggers the kill mechanism, which is apparently able both to detonate chemical-energy warheads and shred kinetic-energy penetrators, whose residual effects can then be resisted by the vehicle's baseline ballistic armour.
From Jane's