We can get you a good deal on the Ishino brand (aka Stone), which is the OEM supplier to Honda on most gaskets. Here's the links we have to these gaskets in case you're interested. Special Prelude online prices are:
$111.82 - Cylinder Head Gasket Set
STONE Cylinder Head Gasket Set,HON024888 - importrp
Free Shipping within the local 48 states too.
I don't have any experience with the Apex gasket kits. Probably overpriced and not necessary though.