Another bit of advice I can give from dealing with a few particularly shitty vendors is that if you can't actually download a copy from their web site or extrac

Another bit of advice I can give from dealing with a few particularly shitty vendors is that if you can't actually download a copy from their web site or extract one from their sales team and see it in action yourself, they have something to hide. This is usually cost escalators, a really poor deployment and management story, an upsold incomplete product or just a wall of lies. Also refuse to buy a license until you trial it on your own kit.