Appears the pricing is swapped on the tungsten E and the tungsten T3.
T3
http://www.officedepot.com/ddSKU.do?level=SK&id=906715&location_info=SG_3_DV_36_SC_3601003_SK_906715
TE
http://www.officedepot.com/ddSKU.do..._info=SG_1_DV_35_CT_3507_SC_3507002_SK_906706
T3
http://www.officedepot.com/ddSKU.do?level=SK&id=906715&location_info=SG_3_DV_36_SC_3601003_SK_906715
TE
http://www.officedepot.com/ddSKU.do..._info=SG_1_DV_35_CT_3507_SC_3507002_SK_906706