Assuming they lose the Senate this year, Republicans don't even need VA in 2018 to win back the Senate then. Someone like Barbara Comstock could win, but I'd rate this race Tilt D for now.
I'm sure they will screw up some races because this is the Republicans so they will end up picking up from 6 to 9 seats, 8 would be my guess right now.
lol
I mean this with all due respect (and not in the a**hole way people say that on C-Span, I really don't mean this as an insult or anything, even though it may sound a bit harsh), the idea that we know anything about what 2018 will look like right now (much less, that a particular party will gain 6-10 seats) is beyond ridiculous. "Lol" was exactly the response that the post warranted. I don't mean to single you out Windjammer because you're actually a pretty good poster, but folks on this forum really need to stop trying to make predictions like this when we're not even through the current election cycle.
Considering the democrats will have many many seats to defend, many of them in clearly republican states, I really believe that the democrats are going to lose many seats.
I know it may seem a bit early, but this is a political forum and I'm a political nerd sooooo,... 
I obviously hope I will be wrong though.
The Pubs did fine in 2002 This whole idea that we know what 2018 is gonna look like already is silly. Did anyone think Trump would be the Republican nominee in 2014? Of course not.
For goodness sake, this entire forum is basically about speculating on the future. By that logic we should shut down ALL discussion on future elections, "because we don't really know what will the election environment will be."
I agree with Windjammer - odds are that if Clinton is the next president, 2018 will be a good year for Republicans. Considering how many seats they are defending and how unpopular Clinton
already is, Republicans
can win 10 seats. Doesn't mean they will, but it is in the realm of possibilities.
