Hi David, I've sent an email to the organisers to clarify the position regarding prizes. Twixt has in recent years attracted very strong fields. Given that its a World Championship, it seems an oversight (which is what I assume it is) that Shogi has a prize fund, but Twixt not. I'll try to report back if I hear back, but check out http://www.msoworld.com/2014/07/prize-fund-for-mso-2014/.
Twixt medallists will certainly get a medal and the gold medal winner will have the right to call themselves the World Champion, http://en.wikipedia.org/wiki/TwixT.
I've had a reply from the organisers and they say that, unfortunately, TwixT will not have a cash prize this year. Apparently the events which attracted prizes (and the amount for each prize) were set by the sponsors and not the organisers. At a guess this was an attempt to maximise press coverage for more widely known games. I can only think the TwixT WC was an oversight and I'll raise the point personally.
Look forward to seeing you there, Florian! Looking forward to MSO 2014...maybe see you next year, David B.