Which is better for daily wear?

The Versace set. It gives you a full 3.4 oz bottle of one scent, while the Gucci set is minis that run out quickly.

Which lasts longer on skin?

The Gucci minis are eau de parfum, which generally holds longer than the Versace eau de toilette. The Versace bottle still lasts far longer as a supply.

Is the Versace set worth stepping up to?

Yes if you want one fragrance you will wear often and like having a matching shower gel. Skip it if you want to explore several scents first.

Which is the better gift?

The Gucci set suits someone who likes variety or travel sizes. The Versace set reads as a fuller, more practical gift for a man with a set scent taste.

Is Versace Pour Homme a safe blind buy?

Fairly safe. It is a fresh aromatic fougère with citrus, sage and cedar that most men find easy to wear, though it is not bold or unusual.

Can I layer the Versace products?

Yes. The shower gel and EDT share the same scent, so using both reinforces it. The Gucci minis are separate scents, so wear them one at a time.

Gucci Mini Set 3pcs EDP Gift Set vs Versace Pour Homme Gift Set

Buy the Versace set if you want one fragrance you will actually wear daily, in a full bottle plus a matching shower gel. Buy the Gucci mini set if you want to sample several Gucci scents or give a small gift. The Versace is the safer, more complete buy for a single wearer; the Gucci set trades depth for variety.

Choose the Gucci mini set if you want to try more than one Gucci fragrance in small sizes or need a compact gift.
Choose the Versace Pour Homme set if you want a full-size everyday men's fragrance with a matching shower gel.

Prices

Gucci Mini Set 3pcs EDP Gift Set: $52.00 at AT Perfumes (last seen Nov 10)
Versace Pour Homme Gift Set: $64.98 at AuraFragrance (last seen Nov 10)
Difference: the Gucci Mini Set 3pcs EDP Gift Set is $12.98 cheaper than the Versace Pour Homme Gift Set at the latest prices (Nov 10)