Add raspberries to food processor; process until smooth, scraping down sides if necessary. Place raspberries in a wire mesh strainer; press with back of spoon against sides of strainer to squeeze out juice. Discard pulp and seeds remaining in strainer. Combine raspberry puree and sugar in a small saucepan; bring to a boil over medium heat, stirring occasionally. Cover and chill.
Heat butter in a large nonstick skillet over medium heat. Add pound cake slices, and cook 2 minutes on each side or until golden. Cut each slice into 2 triangles.
Arrange 2 cake triangles on individual dessert plates. Top each serving with ice cream, strawberries, and raspberry puree. Serve immediately.