Nice piece, indeed!

I've got three recordings:
1. Carreras, von Stade, Fisichella, Ramey, cond. Jesús López Cobos (1978)
2. Ford, Futral, Matteuzzi, D'Arcangelo, cond. David Parry (1999)
3. Irine Ratiani (
mezzo-soprano, the Malibran version), Ciofi, Edwards, Soon Won Kang, cond. Paolo Arrivabeni (2000)
Apparently Iago is of very small importance in Rossini's piece, and although Wikipedia does mention Shakespeare's basis, the libretto for Rossini's
Otello originated from Giraldi Cintio's novel (1566). And the whole plot shares less similarities than differences.
My favorite is the first mentioned recording with vigorous and unexpectedly florid Carreras, sensitive von Stade and reasonable Fisichella. It brings music in motion and makes it alive. Athough the other two are modern and more "belcanto stylish" with bonuses (such as the alternative happy ending, Desdemona's alternative aria which is actually Malcolm's cavatina from
La donna del lago 
), I must say that Ford's and Matteuzzi's voices are not ear pleasing.

The Malibran version's difference is just a mezzo-soprano in the title role.
The opera features a balanced set of arias, duets and ensembles and is really one of Rossini's well-done works. Here are some excerpts:
Young and tremendous Rockwell Blake singing Roderigo's aria "Ah come mai non senti"
http://www.youtube.com/watch?v=o-afscXr7tU Iago and Roderigo duet with Blake and De Cesare
http://www.youtube.com/watch?v=ntoFpGg6iDE The willow song, June Anderson
http://www.youtube.com/watch?v=6lcCVE7V1qA A dazzling Otello-Roderigo duet Ah vieni! Nel tuo sangue
http://www.youtube.com/watch?v=ng2nfnc_-OY&feature=related (Blake+Merritt)
Otello's first act cavatina, Michael Spyres
http://www.youtube.com/watch?v=jDfwQasXyrU