Been waiting for Play-Asia to get this back in stock, and now they have. Also noticed that VISA are doing a special offer with them with a 20% discount on all 'in stock' items when paying with a VISA debit or credit card. (promotion ends Sept 6th)
Making Ghostbusters on the 360 £27.29 (ish) delivered.
Also noticed that Arkham Asylum is available region free at this price too. edit - scrap that, offer only applies to titles released over 30 days ago.