This could be bad for Dallas.
The suns obviously peaked but they peaked early enough after that 17 win streak to let the injuries come and go and lose some games, but after it had passed they had enough time to slowly regain their footing and start rolling again and tonight was a solid performance all around so it could be the beginning of gaining back our mojo.
If Dallas on the other hand has already peaked (and that could be quite possible after losing to the warriors so horribly) and starts to lose a game here or there the window of time left for them to get rolling again might not be enough and they could get some nasty losses, possibly finish of the season mediocre, and/or run into some unforseen troubles in the first round and lose a game or two.
I could be jumping to conlusions here but no championship team fully healthy should lose to a team not even currently in the seeding for the playoffs and lose in such a horrible manner.
I guess this time we will see if Dallas rebounds in the game against the Suns. I, as a suns fan, am obviously completely unbaised and only hope the mavs lay a complete stinker and the suns walk all over them.