I am now taking bets as to which will actually hit the market first.
1.) Superspeed USB 3.0 at 1:5 odds
2.) An affordable Thunderbolt hard drive priced in line with a comparable USB 3.0 drive OR any other Thunderbolt device besides a monitor. at 1000:1 odds each.
3.) Belkin's Thunderbolt express dock. at 25,000:1 odds
4.) A new Mac Pro. 1,000,000,000:1 odds *
* speed bump does not count, must include at least one new technology like USB3 or T-Bolt.
I'll gladly take those odds on numbers 1 & 2.
The USB 3.0 specification defined SuperSpeed mode back in 2008, and it's available today in virtually every new PC since Intel integrated it into their 7 series chipsets.
http://www.usb.org/developers/ssusb/
Available Thunderbolt devices besides displays or HDDs/SSDs:
AJA ioXT
AJA KiStor Dock
AJA T-TAP
Apogee Electronics Symphony 64 | Thunderbolt
Apple Thunderbolt to Gigabit Ethernet Adapter
Apple Thunderbolt to FireWire Adapter
ATTO ThunderLink FC Thunderbolt to 8Gb/s Fibre Channel Desklink
ATTO ThunderLink NS Thunderbolt to 10GbE Desklink (SFP+)
ATTO ThunderLink NT Thunderbolt to 10GbE Desklink (10GBASE-T)
ATTO ThunderLink SH Thunderbolt to 6Gb/s SAS/SATA Desklink
ATTO ThunderStream SC Thunderbolt to 6Gb/s SAS RAID Desklink
Avid Pro Tools|HD Native Thunderbolt Interface
Blackmagic Design Intensity Shuttle for Thunderbolt
Blackmagic Design Intensity Extreme
Blackmagic Design UltraStudio 3D
Blackmagic Design UltraStudio Express
Blackmagic Design UltraStudio Mini Monitor
Blackmagic Design UltraStudio Mini Recorder
Blackmagic Design UltraStudio 4K
Blackmagic Design Blackmagic Cinema Camera EF
Blackmagic Design Blackmagic Cinema Camera MFT
Blackmagic Design Teranex 2D Processor
Blackmagic Design Universal Videohub Editing Interface
Matrox MXO2 Thunderbolt adapter
Matrox DS1 Thunderbolt Docking Station (2 variants)
Other World Computing OWC Mercury Helios PCIe Thunderbolt Expansion Chassis (5 variants)
Promise SANLink
Seagate GoFlex Thunderbolt Adapter
Seagate GoFlex Desk Thunderbolt Adapter
Sonnet Echo ExpressCard/34 Thunderbolt Adapter
Sonnet Echo Pro ExpressCard/34 Thunderbolt Adapter
Sonnet Echo Express Thunderbolt Expansion Chassis for PCIe Cards
Sonnet Echo Express Pro Thunderbolt Expansion Chassis for PCIe Cards
Sonnet Echo Express SE (3 variants)
Sonnet xMac mini Server
Sound Devices PIX-DOCK
Universal Audio Apollo Thunderbolt Option Card