What is the best continuation for White?

ICC tourney 1300 (12 3), Internet Chess Club
Analyze yoshi (1736) vs. Zephyr (1550)

8 7 6 5 4 3 2 1 a b c d e f g h 0

(white to move) 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 Bb4 5. Bg5 O-O 6. e3 Nc6 7. Bd3 h6 8. Bxf6 Qxf6 9. O-O dxc4 10. Bxc4 Bd6 11. Ne4 Qg6 12. Nxd6 cxd6 13. Bd3 Qf6 14. Rc1 e5 15. d5 Ne7 16. Qb3 Rb8 17. Nd2 Bf5 18. Rc7 Bxd3 19. Qxd3 Rfc8 20. Ne4 Rxc7 21. Nxf6+ gxf6 22. Qa3 Rd8 23. Qxa7

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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight