Nice to see a new/separate thread for this tower! Next summer can't come soon enough...especially since the queen of the NIMBYs (Sue Hestor) has finally managed to put the tower on her radar of "evil skyscrapers that must be stopped at all costs". Though I have a feeling she'll be powerless on this occasion, thankfully.
Here are some older renders that have a somewhat different design, but which are at the correct height of 1,070 feet, so they give an idea of what it would look like on the skyline:
sources:
http://sfmea.sfplanning.org/2007.0558E_DEIR1.pdf
http://www.socketsite.com/archives/2...ransit_ce.html
And here's another render showing what it would look like from the bay/across the bay to the southeast (which happens to be one of my favorite angles of SF's skyline), along with the proposed Mission Rock development: