定制和查看Amazon Web Service Usage报告的最佳方法是什么？

does anyone know the best tools to use to view amazon web service usage reports? I have downloaded previous reports as .csv and opened in Excel. I want to be able to generate custom reports with the data however and so think XML is a better bet and to use something like Altova XMLspy with a stylesheet to generate custom reports. Is there a way to do this with excel - create a template that will format the csv the way I need it each time?does anyone know the best tools to use to view