Is the Toshiba Excite 10 LE quad core or dual core?

 You should have better check out the official Toshiba site, this is what I have found for the Toshiba Excite 10 LE products:
Toshiba Excite 10 LE Tablet (32GB)

    Android 3.2, Honeycomb; 5 customizable Home screens, Upgradeable to Android 4.0, Ice Cream Sandwich (when available)
    TI OMAP 4430 Dual-Core Processor
    32GB storage capacity

Toshiba Excite 10 LE Tablet (16GB)

    Android 3.2, Honeycomb; 5 customizable Home screens, Upgradeable to Android 4.0, Ice Cream Sandwich (when available)
    TI OMAP 4430 Dual-Core Processor
    16GB storage capacity

Toshiba Excite 10 LE Tablet (16GB) featuring Android 4.0

    Android 4.0, Ice Cream Sandwich; 5 customizable Home screens
    TI OMAP 4430 Dual-Core Processor
    16GB storage capacity

Toshiba Excite 10 LE Tablet (32GB) featuring Android 4.0

    Android 4.0, Ice Cream Sandwich; 5 customizable Home screens
    TI OMAP 4430 Dual-Core Processor
    32GB storage capacity