In my early days I spent a lot of time on a charter boat on Lake Ontario (Port Credit). Used pretty much everything over the course of about 8 years out there helping buddies with their business's. Spend a bit more and pick up Cannon's, Big Jon or Walkers. You'll never regret it. I bought my Mag 10's (2 of them) in 1989. They've transitioned through 3 boats and are still going strong. These are not one-two times a year use either. I fish Lake Ontario all summer and Temagami for 2 weeks. I like my downriggin!
In all that time I've only ever changed up the clutch drag washers on both and had one end pulley crack. In total a $50 spend in parts.
If I ever have to buy new again I'll buy Cannon's again but with four foot arms this time