Sunfire sig 600 or sanders Magtech

I may want to sell my mm comd sunfire 600 signature to purchase the sanders Magtech. 

Wise chouce? Magtech is newer, has warranty, and is just an all around better amp. 

Thouhts

sunfire has has been redone by flannery of flannerys audio, replaced all cap com caps, led light, checked everything. The sunfire. Have has probably less than 500 hrs he said, as no rails were dark due to mass current, and the general look of the inside of the amp when he inspected it, replaced caps etc etc.