All i7 930 processors have a memory controller integral to the processor. Memory compatibility lists are useless, as EVGA is not going to test every single brand of memory that is on the market for "compatibility". DDR3 is DDR3(well, there are varying quality levels, such as OCZ being utterly terrible, while mushkin is heavily regarded as some of the best out there), it doesnt need to be on the compatibility list. All 3x2Gb memory kits are going to be sub 1.65v kits designed for use with Nehalem processors with a triple channel memory controller. This is not to mention the fact that EVGA's memory compatibility list is severely outdated. The motherboard is not what determines memory compatibility. Pretty much nobody looks on memory compatibility lists these days, as companies have to pretty much pay to get their name put onto those lists.
A great example of this is EVGA's 11th year anniversary contest, one of the prizes(one of my friends won this particular prize actually) for instance was corsair dominator GTX4(one of the most expensive 2GB non ECC dimms on the market) memory that is not on EVGA's "Memory compatibility list".
Also, note EVGA's lack of any Patriot branded memory products for P55/H55/H57, yet they gave away a few prizes of Patriot 4Gb memory products.
There are literally hundreds of different kits of memory on the market,with new kits being released almost weekly, there is no possible way for any manufacturer to "test" everyone on the market.
In short: All 3x2Gb memory kits will work on any X58 motherboard. There are some kits i wouldnt suggest due to really crappy IC's(patriot, OCZ, and kingston valueram for instance), but any kit will work. That mushkin kit uses better IC's than the dominators you were looking at, Corsair likes to charge more money just because it says dominator on it. A prime example is the fact that the dominiator GTX2's are over twice the price of what a set of Super Talent's stuff using the same exact IC's cost.