6 pips here for gbp/jpy.
Water House Capital
http://www.whcforex.com/ has great execution.
Here's their direct link to demo platform:
http://www.metaquotes.net/files/whc/whc4setup.exe.
I just have a micro, their minimum is $200, so can't guarantee anything but they'll be in the forex broker news more and more with their hundreds of stocks and future contracts in addition to forex. For the brave of heart only - Russian broker.
Pertinent thread:
WHC broker