The Woman's Wellness Centre in London are offering a voucher for a 4D scan with DVD and prints for £89.99 which is 57% off the usual price. You have till April to use it.
www.groupon.co.uk/deals/west-london/the-womens-wellness-centre/1039664?nlp=&CID=UK_CRM_1_0_0_289&a=2280
I don't even know what a 4D scan is but thought I'd post in case anyone is interested!!