I agree, I have had a SP3 and SP4 with the i5/256 configuration, and I'd pay more for the 16GB option...but the i7 is too expensive of a leap. I really wish the

I agree, I have had a SP3 and SP4 with the i5/256 configuration, and I'd pay more for the 16GB option...but the i7 is too expensive of a leap. I really wish they'd offer an i5/256GB/16GB RAM option. The Pro 4 is a sizable leap from the 3 (surprisingly, mostly because the 3 throttles at high temps, I think.) So an upgrade with just 8GB will probably suffice...but yeah, it would be nice.