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The Raspberry Pi is a very cheap computer that's no bigger than a credit card. It's the brainchild of the Raspberry Pi Foundation, a charity devoted to promoting 'back-to-basics' computer science in schools – as opposed to simply teaching the kiddies how to use spreadsheets and design web pages on Windows PCs. What was needed, reckoned the Raspberry Pi gang, was an affordable computer that could encourage children to experiment with programming and electronics – the sort of thing that went on during the home computer boom of the 1980s and gave birth to a generation of entrepreneurs.

Following in the footsteps of Snow White and the Huntsman and Red Riding Hood, Hansel & Gretel: Witch Hunters offers a more action-packed update of a classic fairy tale. Thankfully, as you might expect from the young director who gave us 2009's gonzo Nazi zombie flick Dead Snow, this retooling of The Brothers Grimm's story is far less po-faced than its forgettable predecessors.

My desktop computer costs over £1,000 (yes, I’m one of the mugs who can’t break out of Apple’s clutches) and has superb picture quality. It’s good enough to watch hi-def movies from Netflix and programmes from BBC iPlayer, and I’m not averse to enjoying the odd tune or two whilst I bash away at the keyboard. But my iMac, like most computers, has sonics that are weedier than a wild meadow. Therefore, investing in a decent set of desktop speakers is essential for transforming your aural enjoyment for those times when you’re stuck in (or have escaped to) the study.

From its 007-inspired opening credits to Foxy's final squirm-inducing revenge, Jack Hill's 1974 blaxploitation hit remains an absolute blast. Key to this is Pam Grier's electrifying performance as Foxy Brown, which helps paper over the myriad plot deficiencies and cements the film's place as a bona fide genre classic. Arrow Video's BD boasts an authentically grainy and colourful AVC 1.85:1 1080p encode and a pleasingly clear LPCM 2.0 soundtrack. And while the lack of input from Grier in the disc-based extras is a real shame, the commentary and interviews included on the disc are still well worth checking out.