I saw somewhere (possibly here) a method of preparing g/g paste by heating the oil in a pan, adding turmeric (fry for 30 secs), then the garlic and ginger, heating through for a bit, then blending to a paste after cooling.
In terms of flavour and the improvement to your curries, this was claimed to punch g/g paste beyond the dense, cloying boundaries of Earth's troposphere and up through the stratosphere, mesosphere, thermosphere and towards the exosphere, and, possibly space itself.
Actually, I made that bit up, but whoever recommended it did so with much enthusiasm.
It's something I plan to try, as I'm a big fan of turmeric and love the smell it makes when it hits hot oil.