Tech-Reviews.co.uk checked out the Noctua NT-H1 Thermal Paste
A quote from the article:
>> Noctua NT-H1 Review
Thermal paste is probably the most disregarded part of building a PC. However, thermal grease can be a very important factor for users wanting to overclock or game heavily. One of the leading manufacturers in this field is Arctic Cooling with their Arctic Silver range. Arctic Silver 5 has always been the most favourable paste, but today, we have another manufacturer, Noctua, challenging Arctic Cooling for the title of the thermal paste king. Let's fight.
>> Noctua NT-H1 Review