Virgin Mobile offers huge savings on its Broadband2Go 3G/4G devices, like the the 3G Ovation MC760 USB Stick, now on sale for just $9.99.  This is a savings of $40 off the normal price.  All Broadband2Go devices have no activation fee and no contract.  Requires plan ranging from $5/day, $35/mo or $55/mo for 3G/4G data.

Great deals available for other devices with Broadband2Go Plans as well.  Other notable deals include:

• Overdrive Pro 3G/4G Mobile Hotspot (connect up to 5 other devices) for $119.99 
• U600 3G/4G USB Stick for $69.99
• MiFi 2200 (3G hotspot, connect up to 5 other devices) for $99.99 $19.99