When it comes to NFL analytics, the guys at pro football focus are second to none, and each year football fans anxiously await their rankings to see how their team stacks up. Recently pff released its AFC rankings got the 2017 season, as well as a prediction on record, and despite the optimism, the Colts do not fair so well. You can find the rankings here https://www.profootballfocus.com/pro-patriots-once-again-sit-atop-early-afc-2017-projections/
Here is a snippet from pff.
As you can see, they do give the Colts some positives on what they did this off-season, mainly bringing in defensive talent. Yet they still see the Colts missing out on the playoffs for the 3rd straight season.