Software complexity and tax

It is tax month here in the UK. It is the nastier of the two tax months for those people who have to do their tax through 'self-assessment' - i.e. the endless form-filling required to declare all of your different assets and income.
 
Up until last year I did all of my accounts in Quicken. Intuit have an interesting approach to their software here in UK. They only support Quicken under Windows - even though Quicken on Mac OS X is popular (and in fact supplied as standard with most new Macs). Having consistently brought out products for a few years with an interesting array of features (some of which simply did not work), they suddenly announced in January last year (yes, tax month) that they would be dropping support for their Quicken XG software in the UK within (from memory) about a month. Support would go on for a bit longer.