I nominate this one. Not because Tyler Farrar won, but because of how many top shelf sprinters are there. Stage 3, 44th Tirreno-Adriatico: Sirotti
[my edit]
1 Tyler Farrar (USA) Garmin-Slipstream 3.53.48 (42.6 km/h)
2 Mark Cavendish (GBr) Columbia-Highroad
3 Enrico Rossi (Ita) Ceramica Flaminia-Bossini Docce
4 Tom Boonen (Bel) Quick Step
5 Robbie McEwen (Aus) Katusha
6 Stuart O'Grady (Aus) Saxo Bank
7 Robert Hunter (RSA) Barloworld
8 Luca Paolini (Ita) Acqua & Sapone-Caffè Mokambo
9 Thor Hushovd (Nor) Cervélo TestTeam
10 Borut Bozic (Slo) Vacansoleil
11 Yauheni Hutarovich (Blr) Française des Jeux
12 Angelo Furlan (Ita) Lampre-NGC
13 Alessandro Petacchi (Ita) LPR Brakes-Farnese Vini
14 Gerald Ciolek (Ger) Milram
15 Koldo Fernández (Spa) Euskaltel-Euskadi