I would be pleased to see electoral reform in the US and overjoyed to see it in the UK (my own nation). However, I don't think party political politics is to blame. It's interesting that you dislike character attacks but I would predict that a non-party political system would become very focused on character rather than policies.

I'd rather just have an electoral system that doesn't inevitably trend towards a two-party system.

I would like to see actively lying to the electorate to be a criminal offence, although that's ground that must be trod very carefully (as it could be used to censor viewpoints rather than make sure that politicians express themselves in good faith).