The first of the 2012 home Classics takes place at the Curragh and Aidan O'Brien launches four arrows as he bids for his eighth win in the Abu Dhabi Irish 2000 Guineas.

Jockey bookings would suggest Power is the primary contender from Ballydoyle, although he was a big disappointment in the English version just three weeks ago.

Daddy Long Legs and Wrote, first and third in the UAE Derby respectively, drop back in distance, whereas Reply steps up in trip after finishing third in the Middle Park when last seen.

Like Power, the John Oxx-trained Born To Sea has to redeem himself after struggling at Newmarket and is joined by stablemate Takar, who was impressive in the Tetrarch Stakes.

The overseas challenge is spearheaded by French colt Hermival, who was one place ahead of Richard Hannon's contender Trumpet Major when third at Newmarket.

A one-time Classic aspirant from team O'Brien reverts to sprinting in the Weatherbys Ireland Greenlands Stakes, namely Crusade.

Fire Lily, from the David Wachman yard, also represents Coolmore interests and is back to six furlongs on the back of a solid fifth in the French 1000 Guineas.

Emulous made great strides last term, culminating with glory in the Matron Stakes, and she goes for back-to-back wins in the TRI Equestrian Stakes, in which Alanza is her main adversary.

Infanta Branca attempts to give O'Brien his seventh success since 2002 in the Emirates Equestrian EBF Marble Hill Stakes, but she has ground to make up on Jessie Harrington's Liberating from their meeting at Cork in early April.

Similarly, O'Brien's Delight was behind the reopposing Teoirim, from Jim Bolger's stable, last time, but the pair have a host of interesting newcomers to contend with in the Saadiyat EBF Fillies Maiden, which gets the action under way at 1.40.

Chicago completes an enviable hand for Ballydoyle in the ITBA Supporting Irish Breeders Handicap, while Sweet Lightning drops back in grade and tops the weights for the Emirates Equestrian Federation Handicap.