If Kronos TBC is simply a server with copying from Kronos available, we'll lose two things. First, the opportunity to attract a large amount of new players*. Second, flexibility: Kronos TBC will be bound to launch not too soon and not too late after Naxx**.
Therefore, I would suggest to launch Kronos TBC as a fresh server, as people love, while guaranteeing that copies from Vanilla will be possible in, say, 2 months after the initial launch.
I realize it's too early for the discussion, but why not.
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* - let's be honest, "this server has tons of rich 60s already" is repelling. "This server will have an influx of 60s a few months after launch" sounds way better.
**- by the way, this "not too soon and not too late" is something we know nothing about now. Again, I realize it's too early, but now some people can expect TBC this year, and some can expect it in 2020, seeing how long the Ares re-development took. It's not a healthy situation.
Therefore, I would suggest to launch Kronos TBC as a fresh server, as people love, while guaranteeing that copies from Vanilla will be possible in, say, 2 months after the initial launch.
I realize it's too early for the discussion, but why not.
==========
* - let's be honest, "this server has tons of rich 60s already" is repelling. "This server will have an influx of 60s a few months after launch" sounds way better.
**- by the way, this "not too soon and not too late" is something we know nothing about now. Again, I realize it's too early, but now some people can expect TBC this year, and some can expect it in 2020, seeing how long the Ares re-development took. It's not a healthy situation.