The L-1011 TriStar Professional is on offer until 9am (UK time) Tuesday 26th May for £14.00 (usual price is £34.99).
http://www.justflight.com/product/l1011-tristar-professional-download
Good little plane this one and worth the cash imo. I think Sulky has it too, so he'll no doubt give you his review too.
it is an epic airplane, a little harder to fly then most heavy metal, but worth the effort when it all comes together on a non eventful flight (ie dont crash and burn)