What is the strongest line for White?

ICC tourney 1291 (12 3), Internet Chess Club
Yoshi (1778) vs. Cyborg86 (2441)

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

(white to move) 1. Nf3 e6 2. d4 Nf6 3. c4 c5 4. Nc3 cxd4 5. Nxd4 Bb4 6. g3 d5 7. Qa4+ Nc6 8. Nxc6 Bxc3+ 9. bxc3 Qd7 10. Bg2 bxc6 11. cxd5 cxd5 12. Qb4 a5 13. Qc5 Ba6 14. Ba3 Ng4 15. O-O Ne5 16. e4 Bxf1 17. Bxf1 Nc4 18. Bxc4 dxc4 19. Qh5 g6 20. Qe5 Rg8 21. Rb1 Rc8 22. Rb6 h5 23. Qxa5 h4 24. Rd6 Qb7 25. Qa4+ Rc6 26. Kg2 Qa6 27. Qxa6 Rxa6 28. Rxa6

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Pawn promotion:
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	- Rook
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	- Knight