Play have a fair few Alk3 albums at good prices, including the Remains B Sides with DVD:
Agony & Irony
Remains (incl Bonus DVD)
From Here To Infirmary
If you fancy the best albums get Crimson & Good Mourning - unfortunately these are both £9.99 & £11.99 respectively.
Also, you can listen to the new single here:http://thisaddiction.org/exclusive