Hey, Shaun, I'm not familiar with those blades but you should ce able to cut very tight curves with any blade. Believe it or not, there is a top and bottom to most blades. If installed upside down you will have difficulty cutting and controlling the blade. If you rub your finger along the blade one direction will feel sharper. The sharper side should point down.
Everyone will chime in on different blades, but it boils down to what works best for you. @Denny Knappensells Pegas blades and will be glad to help you make good choices.