I have had 2 5.7L's = 2004 Ram 1500 and current 2008 Ram 1500. The engines have been 100% trouble free.
I bought my 2004 Ram 1500 hemi with 52k on it 2 years ago.
Solid as a rock and only had to replace a egr valve (quick
10min fix). Got almost 90K on it now.
Got it dirt cheap when gas was 4bucks. Very happy with it.
our local Toyota dealership has stacks of frames in their back
parking area. I'm mean a lot of new frames. I asked a friend
that works there (jokingly) if they are building trucks there?
He told me the frame on many tacomas are rusting very
quickly. I'm happy to have twice the truck at 1/3 the price.
People knock American cars for fast depreciation. I don't
buy new cars anymore so I love the quick depreciation.