In my opinion they have. They aren't offering the features or quality of JJP but in Australia at least are charging almost the same money.
I was out when NIB Stern pinball over here went past $10k, so the last LE I bought was Metallica.
If JJP ever gets to a point where they are releasing even 1 game a year, Stern at their current price and current quality won't sell LEs here at all.