Thanks to Leon Freilich who just sent this along:
On May 12th, 2008 the United States Postal Office will be raising the following postal rates:
• First class mail one ounce or less: Up one cent to 42 cents
• Post card: Up one cent to 27 cents
• Large envelope, 2 ounces: Up 3 cents to $1.
• Certified mail: Up 5 cents to $2.70
• First-class international letter to Canada or Mexico: Up 3 cents to 72 cents
• First-class international letter to other countries: Up 4 cents to 94 cents
• Post card: Up one cent to 27 cents
• Large envelope, 2 ounces: Up 3 cents to $1.
• Certified mail: Up 5 cents to $2.70
• First-class international letter to Canada or Mexico: Up 3 cents to 72 cents
• First-class international letter to other countries: Up 4 cents to 94 cents