A few years since you dived you say? I think the RAID Explorer 30 course would be a lot of fun and be able to learn at the same time.
Spend the $150 on a double boat dive after the course, or do the EANitrox course, if you do not have it for the boat dives.
Spend the $150 on a double boat dive after the course, or do the EANitrox course, if you do not have it for the boat dives.