Bad wine can often be traced back to a tainted cork. You can avoid that issue altogether by shopping for good screw cap wines.
2012 Clean Slate Riesling ($10) A remarkable value, this refreshing, lightly sweet Riesling is named for the slate soils that define Germany's prestigious Mosel region.
2012 Dopff & Irion Cuvée René Dopff Pinot Blanc ($15) Pinot Blanc rarely gets the attention that other Alsace grapes do, but this bottle commands it. This is zippy and creamy and incredible with food, all at once.