Many people have enjoyed using Microsoft Money to keep track of their personal finances. (I use Quicken.) However, Microsoft Money is being discontinued this week. Tomorrow is the last day that you can buy Microsoft Money. You will be able to use the service until January 31, 2011. So you still have a year and a half to make use of Microsoft Money, provided you renew your service now.
If you are looking for alternatives to Microsoft Money, they are not too hard to find. Some quality personal finance software options include: