That's an option, of course. I tried it a few years ago but ended up finding it too much for everyday cooking. I suppose my palate is probably not good enough to taste the difference all the time.
Part of the reason is freshness - ground spices go stale much faster than whole seeds, I think. And toasting them really wakes up the flavours.
Peckham people - you probably already know this - Khan's has an awesome selection of spices. Stock up there.
That's an option, of course. I tried it a few years ago but ended up finding it too much for everyday cooking. I suppose my palate is probably not good enough to taste the difference all the time.