Unappreciated rock bands...

No savatage went on to do more stuff without Chris Olivia .
Alex Skolnik from testament did at least one lp with them .
I also believe Chris Cafferty who was with savatage along with Chris did more stuff with Savatage .
Many of them the musicians from savatage have. Even part of the transiberian orchestra .

Most of the band did continue, but as TSO. Savatage didn't last after Criss was gone, and Jon stated that he didn't feel it was right to continue on with Savatage without his brother.

Regardless, it was a massive loss to the music world, as Criss was an amazing guitarist.