Since absolutely no one wants to read through 35 pages of
this thread I'll give it a shot.
I'm no expert, but I got my first DSLR the other day, a Pentax K200D. It's more metal, so it's a bit heavier than plastic ones, and it's also weather sealed to protect against dust/water (helpful for UE). I as well really wanted it for the night capabilities so here's how it compares to a point and shoot (Same location, about 3AM)
click for full-size versions
The cool thing about Pentax is that their lenses are backwards compatible so you can buy one from the 70's whereas with other companies you're stuck with whatever new generation they're on. A drawback to my particular model is the auto-settings aren't very good, meaning you have to mess around with the manual settings in order to get a good shot.
Hope this helps.