Have a saved game file from the original Mass Effect and use that profile in Mass Effect 2 to get the following bonuses.

100,000 credits: Mass Effect character with the "Rich" achievement.
2,000 experience points: Level 50 Mass Effect character.
30,000 credits: Level 50 Mass Effect character.
5,000 of each resource: Level 50 Mass Effect character.
4,000 experience points: Level 60 Mass Effect character.
50,000 credits: Level 60 Mass Effect character.
10,000 of each resource: Level 60 Mass Effect character.