It's a bit like the hot water debate:
The guys who've just wasted 3k+ on a hot water system will tell you it's the dogs danglies, earns them a fortune and makes them clean twice as fast.
In reality it's all bollocs, it cleans a
little better, it might clean a
little faster but at the end of the day it's not worth the money.

Or the Xtreme poles: they are a
little lighter, a
little faster but not worth twice the price of an SLX

A basic Ionics system that does
nothing better than anything else but costs more.