The four door LWB is far more useful - fits in a parking space, for a start! Here's ours (plus the Tourer) doing domestic duties yesterday:
Reminds me that I need to fit the CDTi badge now it's been remapped.
Anyone who's tried a rear-facing child seat knows what a squeeze they are, with the front passenger seat being out of use - in the LWB, I could still sit in the front seat (at 6' tall) with space to spare...