I do have a couple of minor gripes, though. Unfortunately, I find that the site doesn't play well with Firefox when it comes to viewing transcripts and images (not without some effort anyway), so it's probably best to use Explorer. That's not a huge deal, but what I really don't care for is the credits/time approach to searching. Mind you, Find My Past is not the only site to use this approach, but it still irritates me.I agree about the pay-per-view system that European companies have adopted. Short of customer complaints or a UN resolution, I don't think there's much we can do about that.
As for the Firefox-unfriendly websites, my usual solution is a Firefox Add-on called IE Tab. With one click, I can switch between the Firefox and IE rendering engines without switching browsers. I use it all the time when designing webpages, and whenever I run across a stubborn site that refuses to display or perform correctly in Firefox.
One caveat: For password-protected websites (like, say, genealogy sites), you may need to sign in again after switching engines.