First up is a 28mm factory, available as a single pre-painted kit or as a bundle with a row of workshop units.
Normandy Kits
Next is a nice novelty paint rack themed on an artillery battery:
This rack has a top tray of Vallejo/Army Painter and a lower rack of Citadel round. Various versions are available in two sizes.
Smaller version.
Paint Racks & Storage
A selection of gaming aids for Arc of fire, Echelon and wheel marked in inches.