Quoted from pintuck:

In future I hope they can port earlier Spike 1 DMD games like Kiss, Ghost Busters, Game of Thrones etc to the Spike 2 platform to maintain serviceability.
I have already experienced a blown 5V supply circuit on a Kiss Pro Spike 1 board, and on that occasion was lucky to have the board completely replaced, with full marks to our local Stern distributor with the game out of warranty, but this won't last forever, with earlier Spike 1's becoming unobtainium unless Stern can port these earlier DMD games up to a Spike 2 to maintain serviceability, Spike 1 games are only like 4-7 years old. Could be in for trouble if the older Spike 1 boards become impossible to source.
Would be good for Stern to offer a Spike 2 alternative just for these games specifically to keep them around longer.
Be good for George to discuss this a little.

Quoted from TreyBo69:

I imagine it wouldn't help if the game code isn't programmed to take advantage of the extra horsepower. A computer doesn't automatically know how to split the work load from a dual to a quad core. (Assuming the CPU is the bottleneck)