They will absolutely do a check and setup before shipping when asked. If you treat them like a box shifting webshop, add to basket, pay, wait: that's what you get.
When you contact them before purchase and tell them what you want and how, they will almost always find a way to arrange it.
Sorry to be on the defence here, I've not always been 100% happy but same applies to Bax, Anderson's and a few others.
There needs to be less hearsay and conclusions from n=1