Shadowblade,
I believe this years UKPSF game is being held on September 15/16 @ the site in Wakefield [just south of Leeds] where it was held last year.
Last years event was very good indeed and well worth the trip. Although it can be quite a trek for some players, the site is just off the M1 motorway and last year there was free camping. There's several cheap hotels nearby if like me you can't face sleeping on the ground.
I have no idea what the theme is for this year, whether it is Staargate or something else.