If you're a Grado fan, with your current system I would first audition the Grado PH-1 phono stage. I've never heard anything better with their own cartridges. Next, I'd look at upgrading the turntable. The Well Tempered Record Player is a great, modestly-priced platform for Grado cartridges, and the Grado tracks like a champ in the Record Player arm. In terms of PRaT, the WTRP offers a somewhat different balance of strengths, with pacing its particular virtue but with still very good rhythm; like the Rega, timing is a relative weakness. After that, I could recommend the budget-end Statement Platinum1--the low-output Grado really does offer some refinements worth hearing.