PC Live for the Irish slant on new developments.
ComputerActive has no CD cluttered with stuff you can find online anyway and costs about a third of the price as a result.
If you can find out what aspect of the topic your husband is interested in it may help your choice as there are many specialised mags e.g. those dealing with website creation, movies, equipment reviews, particular products, etc. Try "leaving" him in the mag section of a shop while you unobtrusively see which ones he's more engrossed in. If you're still unsure you'll be safer with the "general" mags, such as most listed so far.