Yes, I started the thread regarding ribbons a while ago. I love ribbon tweeters and can't imagine not having speakers that incorporate them. There's been quite a few great tips as to what speakers to look out for. I certainly learned a lot. It still surprises me that ribbons are not more commonly used. The difference is vast to my ears but of course poorly designed speaker with ribbons will be put to shame when compared to well designed dome tweeter design.
Ribbons can be difficult to drive due to massive dips in impedance. That only applies to certain speakers, so don't be put off. From my research it looks like it's mostly older designs that need really good amplification e.g. Apogee and Infinity. But even Apogee released easier to drive speakers with long ribbons such as ribbon hybrid Centaurus Minor (if I remember correctly).
I don't suppose pairing should be a problem. I would avoid budget amps but that can be said for other speakers also.