Home Remodeling - Homeowner best return on investment

How much can a Homeowner expect to recoup from theirs home improvement investment incase they decide to sell theirs home?

According to the 2009 / 2010 survey published by Remodeling magazine, here's how it breaks down:
For a mid-range priced home, you can expect the average cost and recoup for the following projects:

Average Cost vs Expected Return on your investment

Bathroom Remodel $19,000
Recoup 60% of your costs

Bathroom Addition $48,000
Recoup 56% of your costs

Garage Addition $72,000
Recoup 63% of your costs

Convert a Bedroom to a Home Office $32,000
Recoup 47% of your costs

Major Kitchen Remodel $65,000
Recoup 72% of your costs

Minor Kitchen Remodel $24,000
Recoup 76% of your costs

Window Replacement (vinyl) $13,000
Recoup 74% of your costs

Backup Power Generator $17,000
Recoup 75% of your costs