Polybushing an E36

Right lads, as many of you know my E36 is sitting up doing nothing (in the trustworthy hands of Dergside thankfully) and I've been thinking about what I'll do when I do get home. I drove Andy's old oxford green 323i a few years ago which had been fully poly bushed and it was a revelation on the hairpin road to Castlemaine just outside Tralee. I see Powerflex are doing a heritage collection. My rear subframe bushes were checked over by CMC and they are basically collapsed so I'm thinking why not get the car 100% done in one go and polybushing seems like a logical idea. Any experience of the heritage collection? I like that it is dark grey rather than purple so it keeps the OEM look but not sure on the change to driving dynamics. I've a full set of OE subframe bushes sitting in a box in my parents garage so I can realistically go that route also.