HiLo (100mm Version) Here.
"Transformed"? No in fact my riding as such has not changed, as I see it the post is simply a labour saving device which makes a regular task a bit less bothersome.
I've not put one on My winter SS or my DH bike, only my XC/Trail HT, so it's not had much use lately, primarily coming out when the weather is nice (might be saving it from wear and tear to a certain degree?)
What it has meant is that I am not stopping to piss about with a QR on longer loops where managing to keep rolling makes more of a difference; i.e. seat up, get to fun bit and without stopping drop seat, and then without stopping again raise seat afterwards, overall 2x ~15 seconds per fun bit saved maybe, but it makes more of a difference than I thought it would in terms of having a nice un-interupted ride rather than a faff fest, and I cna drop my seat now on night rides where it is of benefit but I probably wouldn't have bothered in the past TBH.
If you never bother lowering your seat though then of course it's a pointless investment... Spend the money on something else you will use, or just save it.
the one thing I will say is that I would like to see more cheap dropper posts comnig onto the market, at the minute it seems to be the case that every new one released is more complex and hence more expensive than the last, I'd rather see some more cheap, simple and robust posts for the masses than yet another £200+ Gucci affair for the dandy-horsists, the filter down has thus far been quite slow...