I'm not sure how viable an anonymous person's opinion would be regarding a purchasing decision but, in my experience, DLP and LCD are preferred over the experimental Plasma displays.
I've seen the phospherous gases in a Plasma lose its chromatic-cohesion (the saturation was lost completely) over the span of three years. Cost is also a major strike against Plasma.
DLP seems to be the poor-man's HDTV but, there's all sorts of complaints I've heard regarding the "rainbow effect" from owners. I have no complaints with my Sony Wega (1080p) but, what I perceive as perfection, others may find flawed.
As for LCD displays, I've heard myriad complaints ranging from the heat output of the displays to deplorable refresh rates and "ghosting" effects.
Ultimately, it will be up to you to decide what flaws you can live with: Is cost a factor? How high are your visual quality standards? Do you want to hang this display on a wall or can a 6" deep display suffice?
Good luck with your purchase and would you please update us on what you've found?