When I bought my DLP I knew that I had no need to wall mount and therefore no reason to restrict myself to flat panels. I couldn't be happier with my purchase.
What I find funny is that most people don't wall mount their TV and really a DLP doesn't require much more table space than an equivalently sized flat panel.
A good quality plasma or LCD will slap around any DLP in the PQ department. Wall mounting is just a bonus.
If PQ is your primary concern, get a nice LCD (Sony HX909) or a nice plasma (Panasonic VT series or Samsung C7000/C8000). If you just want a big picture that you have to sit (don't stand)
right in front of to get the best view, then get a DLP. But make no mistake, your
are sacrificing PQ when you go with a DLP vs a good LCD or plasma.
If you want a great bang for your buck TV, I highly recommend the Panasonic S series plasma. Great TV at a great price.