Sooo much mis-information.
SB-E is the 'tock' to the SB 'Tick', these are the extreme processors based on the SB architecture, requiring a 2011 pin mobo. The processors will support quad channel ram, extra satas, and are generally marketed to professional workstation markets and servers. If you are a gamer there will be little to no real world difference between these and the current SB chips. However, if you do any kind of design work or rendering then these chips will be a must. They tend to change the extreme chip pinouts with every generation, so buying a SB-E board will ONLY work with SB-E chips, the next generation of high end chips will likely be something different. On the low end, boards tend to last several generations. LGA 775 lasted forever (P4-C2D), and LGA 1155 looks like it will last a good long while as well, but they expect you to buy a whole new computer when you buy higher end equipment.
IB will be a new architecture coming out Q1-2 (mar-may) of next year. As with all Intel releases this will be a 'tick' release, meaning the low to mid-range chips (like our current i3-i7 2600K chips), which will be followed up with a 'tock' release of the extreme and professional (like the SB-E chips the article is about) chips roughly a year later. The first release will remain on the current pin setup, but will support many new technologies such as wireless display and PCIe3. Current SB mobos will work with IB, but may not allow some of the new features to work (specifically PCIe3). IB will also include a die shrink, plus tri-gate tech which will allow for lower power/clock which (hopefully) will mean that it will be even more of a killer overclocker than SB chips. There are rumors of thunderbolt support with IB specific chip sets, as well as more PCIe lanes, and USB3 controllers, but really we wont know until the chips come out.
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