What's more important to a publisher;attach-rate or install-base?

[*bleu-ocelot*]

MontanaHatchet said:
The Wii actually gets the highest amount of third party support and has a higher attach rate than the PS3. I don't know where you're getting your facts from.

Link? and i meant quality 3rd party support or should i refer you to "The ratio of good to bad games" thread?