Panasonic G1 samples at Photography Blog
The samples are ample at Photography Blog, where six RAW pictures and 40 full-size fine JPEGs are available. The camera? The first Micro Four Thirds camera ever, the Panasonic G1!
As far as availability, the G1 is shipping from more and more places, for $800 with free shipping in most cases:
And one more thing, the second M43rds lens, the Lumix (not Leica) 45-150mm f4-5.6 is listed at Amazon and expected to ship within 1 to 2 months.