The Spurs might be better off finishing 3rd in the West. While I know this would setup two straight series where we'd be giving up homecourt advantage, I think the motivation factor of being the underdogs would more than offset lost homecourt advantage.
During the Spurs '05 run they had to beat Phoenix without homecourt, and I actually think it geared the Spurs up during those first two contests in Phoenix.
There's something demoralizing about getting beat on your own court in one or both of those first two home games against a team that, at least according to the seeding, you're supposed to beat. On the flip side, there's extra motivation to steal homecourt advantage if you're playing from a lower spot.
San Antonio is better as the underdog. Last year against Dallas the Spurs sputtered their way to a 3-1 deficit as the "favorite", played hard to bring the series back to 3-3, and then listened to everyone say they'd win game 7 at home and didn't turn on the jets until they'd spotted the Mavs a big lead...and still lost.
This year's Spurs are almost better as a road team. They seem more focused and more consistent. Homecourt advantage could actually hurt them.
So, I'm ok with the 3rd playoff spot. It might just work to our advantage. I, for one, am not really rooting for a Suns meltdown...until round 2 of the playoffs!