I"ve just bought in for the Thursday.
Was told that capacity has been increased to 500 (250 per day 1), and there is still around 20 seats left for Thursday, with Friday sold out.
UKIPT website is saying sold out, as the casino wanted to leave some seats available for "local" players.
On top of this 15 seats are being saved for the 3 scheduled £20 live re-buy sats. Should be a huge cash overlay in all 3 of these!