You have to choose something and see how it works out. It is better when you can get testimonials and data that are credible (to you) when choosing.
On SiO2s, I don't know how true the available info is. I will find out as time goes on I guess. I am not worried though. They are doing what I expected from the info I saw so far.
Nobody else is being pushed to buy them, at least not by me! All they are is a (claimed) better sort of AGM for the reasons they give as to what they can do that regular AGMs can't.
I don't see where it would be a choice between SiO2 vs LFP any more than between AGM or FLA vs LFP. Horses for courses!