If you have no desire to upgrade, then go with the second setup. However, you might find you get nicer results in the long run with 2004TL's + external sub(s) for a music/movies setup...so my advice is get the "best" mains that you can, and add external woofage when convenient.
But again, if you have a fixed budget and do not plan on upgrading any time soon, go with the latter setup...for basically any HT setup, you want to have an external sub which can take advantage of boundary reinforcement to give additional output.
Andrew, Def Tech makes fabulous speakers. I have the 2000TL's...and several people have compared these favorably to the B&W Nautilus 802's (8k/pair) for music! If you set them up well and use some well matching associated equipment, you should love them for movies and music. Good luck!
I use BP10 fronts, BP8 sides, and an SVS 20-39PC sub. Before the SVS, I had a Def Tech PowerField 1500 sub, which is similar to the PF15tl. My advice is go with something other than the Def Tech sub. SVS is great, but may be more expensive in Canada. I'm not sure. You should check though, because it was a night and day difference going to the SVS sub. If SVS is not feasible, I'd look at the Paradigm subs. The guys and SVS talk favorably about them, and from what I've read here they are available pretty cheap in Canada.
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