A pipe dream is a fantastic hope or plan that is generally regarded as being nearly impossible to achieve, originating in the 19th century as an allusion to the dreams experienced by smokers of opium pipes.
Just got linked to the Metro North Facebook page. Check this stuff out.
Click on the book for more.
Click on the book for more.
Donal
Ciarán
Sam
Come Here To Me! 
Perfect for muggings Jonno