Hi Sharky, I'm a member of another forum that is built using Xenforo software, it has a 'Chat' window at the bottom of the main page. I don't use it much myself but it is quite popular. Have you considered this feature for T2W 2.0?
If I recall rightly, we had something like this back in one of the earliest versions of the site. As you say it's not for everyone, and im experience it rarely ads anything of substance to the site. Once you've added a handful of those it bloats the software, and ends up being more difficult to maintain the site, so generally I'm against it.
Will you include past likes ?
Yes, those will be carried across, BUT unfortunately comments won't be, they're not supposed by Xenforo.
Just to touch upon FXX's suggestion of some MyFxBook style stats book.
I'd be willing to pay for it.
Could be a little earner for you Sharky.
Problem is it's a massive amount of work to implement something like that well, and if all you're trying to do is recreate for the most part what's already available it's a hard sell. I think we should focus on what we've done best in the past and that's the forums themselves.