The MacBooks are also expected to receive small updates, seeing that the plastic white MacBook currently outperforms the base Alumnium model after its CPU bump to 2.13GHz.
As for Snow Leopard and the supposed “tablet” MacBook, we shall see if the WWDC will have any surprises for us.
Could the new iPhone have a matte-finish as opposed to the glossy piano black?
For more information, see this excellent roundup on macrumors.com.