Boomstick

Tubes, Roboworm straight tail & alive shad, TRD and rage tail craws

I would definitely prefer 3/8oz baits on that rod. For 1/2oz spinnerbaits and chatterbaits, I generally use a rod rated from 1/4 to 1oz. 3/8oz works on either.
 
Something else to consider is you can throw a spinnerbait with no trailer or just a trailer hook, but with a chatterbait you'll always have additional weight from a trailer, often a Keitech. So a 1/2oz chatterbait plus a trailer could easily exceed 3/4oz. Even a 3/8oz with a 3.8" Keitech would be nearing 3/4oz. A trailerless 1/2oz spinnerbait should still be under 3/4oz, but a slightly stouter rod would still be preferred for that although not required.
 
Your cheapest bet would be to start at 3/8oz before buying a new rod. If you're pretty sure that these are presentations you're going to stick with then perhaps a stouter rod is worth it. On a side note, that stouter rod can also throw a senko with a 1/4oz weight pretty well and 3/8 and 1/2oz jigs, 4.8" Keitechs on swimbait hooks and a whole slew of other stuff and is probably one of the most useful rods you will ever own.

Assuming you're throwing a 1.5 sized crank, I like moderate if there's no grass. As soon as you introduce grass, a M/F or MH/MF becomes more ideal. Most of the time something moderate is fine.
Personally, I would classify that as a Medium moderate rod by most manufacturers standards - and yes I agree that's a good one.