Apple has introduced its updated line of iPod touches, lowering the price of the entry model and increasing storage and speed in the two more expensive models. The price of the 8GB model has dropped from $229 to $199, marking the first time the iPod touch has broken the $200 barrier. The $299 16GB and $399 32GB models have been replaced with 32GB and 64GB versions selling for the same prices, respectively; both larger models also feature OpenGL ES…