And just for the record, as great as the solo610 is on bass, many times I reach for the GR. It's clean yet not pristine, and very nice on bass as well. Mine is the ME-1NV. I think it's the same as yours for the most part. They're more of a 70s sound than 60s. Solo 610 is more of a 60s vibe. Either can and do make modern music. A buddy of mine runs a pro studio and the GR gets the most hours of any, and I can see why. Many times you can add color after the fact, so I wouldn't buy the 610 for that alone, though color at the source IS nice. What I love is the fatness it adds to bass (don't even need an amp sim and can use the DI) and the saturation on vocals, but again, that to a large degree that will depend on your tubes. I highly recommend some NOS tubes for that pre. The cheap/Yugoslavian 12ax7 tubes that mimic the expensive telefunkens are excellent. They were made up until about the 1980s so they should be plentiful still. You might pay 2x the price of a Russian or Chinese tube, but you will get 10x the lifespan and tone.