Play.com has a range of Beatles Memorabilia which includes some die cast models of Taxis and Buses decked out in Album graphics.
I'm fairly certain these are genuine Corgi but you'll need to satisfy yourself if that's important to you. ( Google )
At the moment there are 4 of these items reduced down to £4.99 and another 2 reduced to £7.99.
Links will be put in the first post below.
These items will be especially good to put away for a rainy day or display. (Don't throw the boxes away !!
Bound to increase in price over the years !