Yeah - I've thought about doing a couple of special mission Tornado ADVs from the two squadrons left in service after the introduction of the Typhoon:
1. SEAD with extra electronics in place of the radar and guns and either GR.1 belly pylons or a ventral "canoe".
2. Photo-recce with the RAPTOR pod: the F.3's better high altitude performance should let it lift the sensor higher than the GR.4. Not sure if it's possible, but another option might be to re-package the guts of the RAPTOR into an extended nose in place of the radar, thus reducing drag.
Never realised: Airfix did a 1/48th EF.3: