Distance between RWY25R and L: something like 550m, but not absolutely sure.
RWY18 is used for take-offs only.
New terminal: T3 will be built on the site of the current US Air Base and opened in 2006 or so. LH has not yet stated their intention to use the terminal. From what we've heard, they are going to stay in the northern part of the airport. But things can still change until 2006...
New RWY: will be built north-west of the LH Base in the Frankfurter Stadtwald. Scheduled to open 2006/7.
I think that is all I can tell you without publishing company secrets. I don't know if the terminal layout and number of aircraft positions at T3 was made public yet.
Homer: Facts are meaningless. You could use facts to prove anything that's even remotely true!