The Championship de-brief - Which teams are most likely to secure promotion?

Each season, one of the most captivating storylines within football is the quest for automatic promotion and the drama of the Play-Offs in the Championship, with every game culminating towards judgement day in early April. This season is no different although early on it appears to be a straight forward two horse race between the leagues two most exciting team Ipswich Town and Leicester City. But, with resurgent powerhouses such as a rejuvenated Leeds United and Southampton could we see the chasing pack catch up with the front-runners?