Any tips for speeding up motion tracking?

I'm doing a lot of stabilizing of clips (mostly 2 to 3 minutes) in Motion 5 with the point tracker and while the results are good the process just seems really slow. Any tips to get the most speed?

Faster computer, that's all. Nothing really to do about it.

Thanks Ben for your reply. I'm on a 2008 Mac Pro upgraded with dual 5770 GPUs and 16 GB of RAM. I don't have the option at this time to switch to a faster machine. I have lowered the track size from the default 32 pixels to 20 and that did seem to help.

The biggest help so far has been to use "Reduce keyframes ..." on the partial track whenever the tracking fails and needs manual attention -- but that's more manual fiddling. One big bonus of doing "Reduce keyframes ..." is a major improvement in UI responsiveness.

I've tried using Coremelt's Lock & Load as an alternative but it's not intended to do the kind of point-tracking stabilization that is built in to Motion. Any other plugin alternatives out there?

I wonder if the new TrackX & SliceX capabilities (copy/massage/paste) could be used (by inverting the track) to stabilize?

You could use other plugins and such, but I don't feel any of them will be much faster. They all have to create tracking data, and on clips that long, it is going to take as long as it takes.