Jerry the prices are not a consideration fact. To it seems like if I am going to have a duplicate of something sitting on the shelf in case the original dies then that means that I probably don't have much faith in that product or in what I am doing and neither is the case.
So going by your reasoning, anything that costs $300 or less in my house I should have a duplicate of?????? Kind crazy. I would need a second house. I really need my microwave oven but do I keep a second one in the garage in case the one on my kitchen bench packs it in?

Also no one expects Castle to perform miracles, abolish world hunger, cure all cancer or even develop a new ESC without bugs on the first try. I (and I am sure others are with me on this) would just like to know what the lead time is for Mamba XL repairs/changeovers. No one is asking more than that.

I have emailed Castle a few times in last week and still no answer. I know they must be really busy with all this but their excellent customer service has lost some of it's shine in the last few months. Sorry but just how I feel.