NEW YORK (TheStreet) --Apple's (AAPL) - Get Report iPad production is starting to catch up with demand. Or, gasp, the growing supply of alternatives may be starting to chip away at the iPad's popularity.

The holiday tablet season is heating up as tech shops put the final touches on their would-be iPad competitors.

Adding to the emerging field of iPad rivals are tablets from

Samsung

,

Motorola

(MOT)

and computer display specialist

ViewSonic

.

No. 2 phone maker

Samsung

is working with

Verizon

(VZ) - Get Report

on the introduction of a 10-inch tablet called the Galaxy, according to a

BoyGeniusReport

Tuesday. Motorola has a similar tablet also powered by Google's Android 3 operating system that may be in the works at Verizon.

And in an entirely flattering imitation of the iPad, ViewSonic announced the ViewPad 7, a 7-inch Android 2.2 powered tablet that has both WiFi and 3G access, making it a large phone or a small tablet.

Meanwhile, Apple has now cut its iPad delivery time to 24 hours, after months of production snags that had caused shipping delays.

The iPad has enjoyed an exclusive run as the pioneering tablet device for consumers since it was introduced this spring. With prices starting at $500 and an enormous amount of buzz, the device has been a significant success for Apple. You can expect an iPad sales update when Steve Jobs takes the stage at the iPod show Wednesday.

But soon, like around fall, Apple's good run will have some additional runners in the field.

--

Written by Scott Moritz in New York.

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