Pros:
The course at Ohio Northern has the potential to be a big arm player's dream, with two large, level concrete tees per hole and a good set of DGA baskets. The frequent windy days and the openness of the majority of the course can give you a bit of a thrill, especially if you play with strict tournament OB rules. For instance, the second basket is between two sidewalks and a couple of trees, just in front of the shelter on the west side of the circle drive and the 'Green Monster' walking path. From 477 feet (long) or even from 264 feet (short), your upshot or drive becomes a little bit of a 'Tin Cup' challenge, but without the water to lose a disc.
That's not to say there's no chance of doing that, either. The retention pond on 3, the pond between 5 & 6, and especially the pond on hole 12 give you the chance of plunking one in the wet. Hole 12, especially, is intriguing, playing from 737' (long), and deciding where you need to get to in order to 'go for it': one or two shots before the water carry? Even the short tee there has some trees to define the tee shot, and gives you a gut check to try for over, or bail out.
There are a couple of tight and technical, short woods holes for variety, but mostly, you're playing large & level on this course, especially from the longs. From the shorts, in competition, you'll need to shoot under tourney par to finish well. In all, the course will pose a challenge for Intermediate players, might frustrate newer players, and might not have enough technicality for Open players.
Cons:
The lack of elevation means limited variety for a lot of the holes, while standing water after heavy rains can make holes 3 & 4 a real mess. When we played there, even hole 1 had 400' of deep trench water in either direction right beside the green, such that crossing over meant wet feet or a long walk. We played on a relatively calm day, but the local folks there did report serious wind is the norm.
Casual players will likely ignore the OB challenges of the walkways which make the course interesting in tournament play. This course is a long walk to play (about two miles, regardless of which tees you walk to), as it ranges around all the sports fields and onto the central hub of campus, and the flow is a little awkward between 15 and 16, then between 18 and 1. In tournaments, they often add a transition hole between 10 & 11 and another between 11 and 12. New players may want to bring a map because, after holing out on 7, you walk past the 9th basket and the 10 tees to get to short 8.
I'm not sure if they were limited by a 'woods preservation' rule, but the course would have a lot more variety if they'd been able to utilize the woods adjacent to the ponds.