I agree - it is a shame that so many AR's leave the factory with such god-awful triggers on them. My DPMS and Del-Ton rifles are a couple of the biggest perpetrators. After replacing the triggers, they were like shooting completely different rifles. Just an example - the Del-Ton 20" A2 I use for coyote hunting went from 1.5" groups to 0.75" groups @100 yards. The potential of these rifles is amazing, and I hate to see people frustrated by such a simple fix. Its also surprising to see so many people spend big money on extra gadgets for that 'tacticool' look and still run the stock trigger. Like I said, I spent the money on Timney triggers, and the results were totally worth it to me. There are other options, too - the Rock River 2 stage trigger sells for $120, and there are lots of people who absolutely love them. If you don't like the 2 stage action, JP also makes a trigger kit that is a lot more reasonable. I don't know much about it yet, but I just ordered one for $115, so I hope to find out soon.
Good luck with your trigger work and happy shooting!