VIENNA (AFP) - The low-cost Slovak airline SkyEurope Airlines said here it had ordered up to 32 Boeing 737-700 aircraft in a lease-and-purchase deal worth 880 million (721 million euros) to 1.76 billion dollars. The contract, which has been signed, covers a firm order for 16 aircraft and an option to acquire an additional 16. Of the 16 firm orders, according to a Boeing spokeswoman in Brussels, six of the Next-Generation aircraft had already been delivered to GE Commercial Aviation Services, the air leasing arm of the US General Electric conglomerate, for use by SkyEurope. The leasing unit has ordered...