my dad bought a 200tdi disco not long ago, k reg, on the drive home it was apparent that it did seem quite top heavey, i had just broken a 300tdi disco to biuld my 80 on so i robbed the anti roll bars off it and put them on the 200, what a difference, so much easier to drive, very much improved for towing aswell, so i would say do it, well worth it. that rangey must have been doing more than 20mph to roll after just clipping the kerb..