Some new updates. Have finally bought a projector, the Sony VPL-HW55ES, which I've had calibrated by Julian. I'm regretting not buying it earlier, as it really has transformed the viewing experience.
A friend of mine also made me some "caps" for the Bass Traps at the front so that I could hang the height speakers from them rather than rest them on the top. After an Audyssey Pro calibration, it has really opened up the soundstage to the heights.