You seem to be doing pretty well with what you have. Those R9's are a similar speed to your irons but how you can catch that meter with those balls I have no idea.
The SLDR is a great driver and if you matched it with a similar 3 wood you'd get a bit more distance but it would cost you a fair amount and then your irons would be faster than your woods.
With wedges when you decide to upgrade them I'd go for the top rated ATV's but most people seem to prefer the Clevelands. Personally I find the ATV's easier to use and to calculate distances.
As for putters I think you'd like the Versa as it has similar increments to the Spiders.