The Prophet's Prayer Explained can help you perfect your Salat. If you have questions about the mathematics involved Khalid Shaukat's page answers quite a bit.
Further details on sighting the Hilal and Calculation of the Qibla can be found at Dr. Mohib N Durrani's page on related subjects
For your own personal prayer times with Adhan, check out IslamSoft's Prayer Timer for Windows
If you find that you use this service alot, but your city isn't listed, mail the information to omh@ais.org and I'll add you to the defaults. Latitude, Longitude, Hours difference are required to be added.
To find out the details for your city, you can visit one of the following sites: