Some good web sites
1. Secunia .com – Up to day security post of software and hardware security issues.
2. Seatguru.com – See what see are good on the plane you are flight you are taking. Sort by airline and aircraft.
3. Xe.com – Currency converter look up US dollars to euros or whatever currency easy and quickly.
4. Farecast.com – Searches multiple sites to get best airfare and also predicts fare prices.