saxophone keilwerth tenor

Hi, I already have my own Alto, a Keilwerth SX90. And I have a Soprano, a Yanagisawa SC992. I love them both. But now I want to buy a tenor. I want a professional one between 400$ CAN and 5000$ CAN. Keilwerth seems to have good tenors, like the silver star, the CX90 Prestige and the SX 90R...