It's near on impossible to guess correctly what the end of the season will look like, based on how teams look right now. All of the new teams have money to spend and either have been or will shortly be making improvements to their teams. Then there are teams like the Windies and PPH who merely scraped through last season, who no doubt also have some cash to spend. Until teams commit to this season, it's pretty much a waste of time trying to predict anything so early on.
I will tip HA for the title though. Hadders would be the only true rival I see in the Great 8 but I don't think he's quite ready to spend his money, personally I see him a season away. Corio on the Big 8 would have to be the most upset by HA's arrival, being the one most likely primed and ready to go this season. They may postpone a season and end up going head to head with Hadders next season. Akuma looked good in his first season but generally a team that goes well in their first promotion season doesn't always suggest an improvement in the 2nd season. He did make a wise decision to tank early and could also have some cash stocked to give the Great 8 conference a fair shake.