Under what cases will I get iWork or iLife?
Every new Mac (MBP, iMac, Mac Mini, MacBook Air, Mac Pro) purchased from Apple comes preinstalled with 


the latest version of Mac OS X
the latest version of iLife
no iWork


Every new iDevice has:


the latest version of iOS
no iWork
no iLife


Every new copy of Lion has:


Lion
no iWork
no iLife