Caporegime
It should be on the rise though, they are flooding the market where as other known makers are not. The amount of nokias that people want to buy, or SEs, has dropped considerably.
IMO, right now, you can't beat a jailbroken iPhone. However, unjailbroken, things are a bit more murky. If Android can sort out the Marketplace and get some more big name publishers in there, along with a higher overall quality of apps, things will change.