Six Flags New England is making other improvements around the park to coincide with the new Harley Quinn Spinsanity Frisbee ride. One of which is converting the former Mind Eraser into The Riddler Revenge. The red and teal color scheme is gone, and was repainted to green and yellow, much like Magic Mountain's stand-up coaster.
The ride has also received new trains from Vekoma. They include the new vest restraints meant to minimize head-banging when experiencing lateral forces. Altogether, the improvements may seem kind of pointless for a 21 year old SLC, but these trains should greatly improve the ride quality.
SLC's aren't bad rides, they actually have quite a forceful layout. It's their reputable roughness that gets them bad reviews.