Your search for "force10 xfp" revealed the following:
NEW Brocade 10G-XFP-ER 10GB BASE-ER 1550nm SMF LC XFP Transceiver
SKU: NSN-3279
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Finisar FTLX8512D3BCL 10GB BASE-SR 850nm MMF XFP Transceiver
SKU: NSN-7218
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Finisar FTLX1412D3BCL 10GB BASE-LR 1310nm SMF XFP Transceiver
SKU: NSB-1147
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Brocade 33011-000 10GB BASE-SR 850nm MMF XFP Transceiver
SKU: NSB-8425
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Finisar FTLX1412D3BCL 10GB BASE-LR 1310nm SMF XFP Transceiver
SKU: NSN-8849
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco DWDM-XFP-58.98 10GB BASE-DWDM SMF Optical XFP Transceiver
SKU: NSH-3744
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper SRX-XFP-10GE-SR 10GB BASE-SR 850nm MMF LC XFP Transceiver
SKU: NSN-8681
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco DWDM-XFP-30.33 10GB BASE-DWDM 1530.33nm SMF XFP Transceiver
SKU: NSN-3007
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco DWDM-XFP-42.94 10GB BASE-DWDM SMF Optical XFP Transceiver
SKU: NSN-3787
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper XFP-10GE-S 10GB BASE-SR 850nm Short Reach MMF XFP Transceiver
SKU: NSB-7075
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days