I need to view data from external sources - real time is not mission critical. Updated a few times per day is acceptable.
What is easier in terms of development complexity:
Implementing a Views plugin to connect to third party data and return it in a fashion acceptable by Views modules?
Implement a Feeds importer that knows how to connect to third party sources and dump into required content types?
Can you give a high level break down of interfaces required to implement each and which (in your own experience) is less time consuming or easier to implement?