yeah, smaller download, allthough it can be tricky getting rid of the artifacts with dithering. I think its worth it, particularly if you want your game to have a 5mb - 10mb footprint and get the most downloads and highest conversion rates. You lose a little quality in the lightmap, but it's often not too bad.
Here's a couple of old screenshots of leadfoot GT's early test track, with the lightmaps on. had to
Here's a couple of old screenshots of leadfoot GT's early test track, with the lightmaps on. had to