Makes sense to get as much for your cash at the moment. I wouldn't imagine you would want to spend your whole budget on the clubs if you are just starting out. I'd recommend as you've suggested to make sure you can get enough as possible with the budget.
Looking at both of these drivers to possibly replace my Taylormade burner superfast 2.0. Obviously it depends what I hit better but has anyone got an opinion of these 2 drivers? Love the classic look of the Cleveland but the Rbz 2 is all about the distance. Both are roughly the same cost where I've seen them at and suits my budget.