The flurry of opinion polling unleashed in the wake of the budget has been followed by unusually spirited debate about what it all means.

Whether they went about their business through robo-polling (ReachTEL), an online panel (Essential Research), a combination of the two (Newspoll) or live interview phone polling (Ipsos), pollsters have been of one mind in recording Labor with an essentially unchanged two-party lead of around 53-47.