An awesome place, I went there back in '06.
My main interest was the railway trip up from Interlaken, three different trains, the last one a rack railway that passes through the Eiger. We stopped inside the Eiger and looked out through the hole in the North Face. A totally awesome experience.
Pic 1: The North face of the Eiger about 1km above the valley below
Pic 2: My watch showing the altitude at the Sphinx
Pic 3: Looking down the glacier from the Sphinx
Cheers,
Jason.