funnily enough,those two phrases are usually interchangable, and more often than not have the same meaning
(
theoriginalsteve <this space intentionally left blank>,
Tue 27 May 2008, 21:04,
archived)
especially if you look at the compoas a forced "fortnightly bandwagon"
(
Sir T. Skellington,
Tue 27 May 2008, 21:06,
archived)