I was in Amsterdam last year and I never bothered with the shatter or any of the more incredibly high priced cannabis concentrations, due to the fact I was almost exclusively rolling joints, was on a limited budget and at various times have had access to similar products in Australia anyway. I enjoyed smoking mainly the higher potency/price range traditional hashes with a little bit of bubble thrown in.
Personally I don't neccessarily equate the most potent hash to be the best, just like with cannabis strains sometimes the most potent can be quite unremarkable and sometimes only moderately potent strains have a really nice high. Don't get me wrong I have always enjoyed BHO and the like but I do find it to be more like a skull fuck stone as opposed to a nice floaty, euphoric and perfectly tranquil buzz that I experience from a lot of hash that is not as potent. I also find that 9/10 times BHO doesn't have a flavour that comes a fraction close to comparing to the taste of more traditional hash and can in some instances taste rather bad (I am aware in this case it probably has not been purged properly).
Not long ago I had a mate pull his outdoor harvest, was just grown from bagseed but it turned out a really fucking great smoke, best out of everyone I knew who grew this year and a lot better than anything doing the rounds commercially. Anyway, he had a decent quantity and needed an extra pair of hands or two to help him manicure his buds, a task I was more than happy to volunteer for. After a good 4 or 5 hours the buds were ready to hang up and my scissors were coated in a sticky black substance, you see it mostly referred to as 'scissor hash' but I guess it wouldn't be a stretch to call it charas, after I carefully scraped all of this together I ended up with a black little ball that weighed maybe a couple points, if that. Smoking this stuff was LOVELY, it was the best thing I have smoked in I don't know how long, the buzz was that fantastic somewhat clear headed but in a really positive/giggly state of mind with a really strong body stone type high with zero paranoia that awesome hash gives and it easily lasted 4 hours. It also tasted amazing and overall was just a joy to smoke.
Fast forward a week or two later and we made some BHO with the same stuff. It was fucking potent as no doubt, and in its own right it was a very pleasant smoke, however, for me it did not really come close to comparing to that awesome feeling I got from the scissor hash. I don't know if hashes made with solvent perhaps have a less dynamic high because the THC is more readily soluble in the solvents typically used than other cannabanoids are, where with traditional methods like hand rubbing or sifting the other cannabanoids come through in equal relative proportion to the THC, all I can do is speculate but to me that does make sense. What I do know is that for me good quality traditional hashish is a truly wonderful product with a unique high and flavour that I love, while solvent extracted hashes (QWISO and BHO) are a more potent but qualitatively less enjoyable effect, still enjoyable though!