I'm on my fourth (das horrid -> La Pavoni Europiccola -> Gaggia Classic -> La Spaziale S1) espresso machine in 20 years. I've had this one for four years now and I like it. I have been roasting my coffees for the last 12 years. Espresso is 95% of the coffee type I drink (3-5 a day when at home). I like it short, very much Milanese in style. I have never been formally trained how to pull shots, I had to learn from books (from older K Davies to Schomer), and more recently from forums, videos etc. I think I do it ok, my cremas pass the 3s test and all timings are fine, but I am also sure I could learn more though it is not easy to find someone to learn it from in Ireland where overall espresso quality is not great. Guiness would be another story. I'm on a quest for a more consistent, redder-crema, sweeter godlike pulls, of course...
I wonder if the very occasional channeling, a somewhat disturbed look of the top of the puck and perhaps uneven pours which I see from time to time could be greatly reduced by having the pre-infusion step which my S1 lacks. In that case, would replacing S1 with La Spaziale S1 Mk II make a big difference? Also, I wonder if the better temperature stability that La Marzocco GS/3 or the interesting looking Speedster have could make the espresso taste "sweeter" as Mr Schomer suggests, considering the low number of pulls demanded in a home setting.
I would be grateful for any suggestions regarding choice of the machines, or perhaps the advice not to bother and to save money for something else.
For what it is worth: I clean the portafilters, machine, backflush, etc regularly. I grind on a Mazzer Mini Doserless and I roast in a Hottop, my third roaster now, I'm quite happy with it. Most of my coffees are roasted just till they stop looking dry but still way ahead of looking oily or shiny. Basically gently into the second crack. I have broad likes regarding coffee origins, as I like Indonesian, some Guatemalan, few Brazilians, Ethiopian (on-and-off) and occasionally Hawaiian beans.
Sorry for the long post, I wanted to give you some background and to say "Hi" from Ireland as this is my first post here.
Rafal



