I'm just saying it in my opinion, I have had a go with the spire and I do like it but I personally would keep with a rotor as it has been chosen by so many people as its simple and just very good! I'm not saying the spire isn't good or complicated just a personal view of mineWhat makes you say this?? Have you had a go with the spire??
Must just be me but I would get rid of the rotor in a flash and change to the spire. Not one jam, one ball break. If I could change one thing it would be the colour. White is a pig to clean lol. With the new style speed feed it makes so much difference