As the owner of a Gyro, it isn't that simple. Take the bass price of the Gyro SE as £1,490. With the Radius at £2,050, this leaves £560 for an arm- not enough for a Tecnoarm or the Nima (which having used both, is better than the Tecnoarm). Additionally, at the bassline cost, the power supply on the Gyro is nowhere near the standard of the Radius. Michell's HR unit is better- but that's an extra £485. Put simply, a £2,050 Gyro/arm combo won't be as good as this is- and as I say, I own one.
I agree that a Gyro/HR PSU and something like an SME309 will comfortably outperform the Radius- it ought to though as it is getting on for four grand.