Buy European

I'm thinking about the trend over time when I talk of improvement, rather than just this one event as especially meaningful - 2 decades ago not a single politician in Portugal had ever been convicted of Corruption but nowadays governments can fall for suspect funny business before anybody is convicted of anything (mind you, it would be an even greater improvement if Justice was swift rather than the incredibly overwhelment and slow-moving thing it is in Portugal).

As for parties, I'm still on the sidelines though a cursory reading of the Volt site does indicate they're aligned with my principles.

As for Chega, two points:

• First from my own experience living in other countries of Europe, that kind of party tends to get stuck at around the 15% of votes and if they ever get power they fail miserably since their entire schtick is to critize others from the sidelines for not doing things perfectly, so when they themselves are in a position where they're the ones having to do things, they're seriously bad at it.
• They're not the only Far-Right party in Portugal: we also need to worry about IL, who are a Hard Neoliberal party aping the views of the most rightwing part of the Democrat Party in America (and probably the recipients in Portugal of the money Steve Bannon brough to Europe some years ago "to start far-right parties") and who even had Privatisation Of Healtcare (i.e. the end of the National Health Service) in their original Electoral Program but took if of when it turned out that was wildly unpopular. The Fascist-style rightwing of Chega would be bad for most people, as would the pro-Oligarchy Democray-undermining ultra neoliberalism of IL.