Official Nintendo Magazinewww.officialnintendomagazine.co.uk
The third major site I've worked on at Future Publishing - with an even longer gestation time, I was determined to 'out-Nintendo' Nintendo with this one. Lots of white space, rounded corners and bright calls to action, it's my favourite of the three so far. Technically it's much more streamlined than CVG and OXM too - for basically the same model, it uses 50% less code and thus runs much quicker for the end users.
Rounded corners on everything! It even works in IE7 (mostly)...