Beware of anyone offering to "repair" your credit! The Federal Trade Commission issued a stern warning last year that such offers are scams. Find more from the FTC HERE. http://www.ftc.gov/bcp/edu/pubs/consumer/credit/cre13.shtm
The best way to buy a home is to have a decent credit history combined with sufficient Income and Assets for a home purchase.
The best way to have a decent credit history is to settle negative outstanding obligations and pay all your bills on time for at least two years.
For more tips visit my blog series, Top 10 Credit Myths. Good luck James!
A judgment is considered negative, although a satisfied judgment will be at least marginally better because it is paid. Make sure to keep copies of the original Judgment, along with the Satisfaction of Judgment, in case it is ever requested by a lender or title company.