Taiwan-based TPK Touch Solutions has seen Apple shift orders for iPad-use projected capacitive touch panels to fellow maker Wintek because of TPK’s delayed shipments, according to “DigiTimes” (http://www.digitimes.com/news/a20100326PD213.html), which quotes industry sources” on the news.

Wintek has recently announced a plan to set up a touch panel module production line in Dongguan, southern China. The company is evaluating another plan to expand the capacity for front-end touch panel production, adds “DigiTimes.”

The iPad — now available for pre-order — is due to hit the stores April 3. At least the Wi-Fi only versions will; the Wi-Fi + 3G model will hit US store sleeves in late April. In addition, all models of iPad will be available in Australia, Canada, France, Germany, Italy, Japan, Spain, Switzerland and the UK in late April.

The Wi-Fi iPad sells for a suggested retail price of US$499 for 16GB, $599 for 32GB, $699 for 64GB models. The Wi-Fi + 3G models will be available in late April for a suggested retail price of $629 for 16GB, $729 for 32GB and $829 for 64GB. iPad will be sold in the US through the Apple Store, Appleā€™s retail stores and select Apple Authorized Resellers.