My recommendations

http://visual.ly/

The intention is obvious: Tell your story visually. The website offers a big variety of inspiration how to transform data into a story and design a graphic.


http://dailyinfographic.com/

Daily new input for your (re-) search for inspiration of clear infographics. See also the partner http://infographicworld.com/


http://www.coolinfographics.com/

Here you can find some more (with regards to the content rather useless) well and clearly designed infographics.


http://popchartlab.com/collections/prints

The content sometimes is disputable, but the form is made very pleasing, mostly in the nowadys popular vintage style.


http://blog.spoongraphics.co.uk/category/tutorials

This website teaches how to create professional looking designs using photoshop and illustrator. 


http://usabilitynews.org/aesthetics-and-usability-a-look-at-color-and-balance/

Contains an older, but still interesting and recent case study which detects the importance of balance and a colour concept of your website. 

http://naldzgraphics.net/tips/how-to-improve-your-designs-by-using-proportions/

Here you can learn how to arrange proportions to improve your design.


http://infogr.am/

A web-application that allows you to create fancy graphs quickly online.