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The overwhelming popularity of Apple's iPad has spawned a whole new generation of tablets that are slowly but surely having an impact on PC sales. In the U.K., PC sales continue to fall, with just 2.5 million desktops sold during the second quarter between April and June. The iPad, on the other hand, shipped a whopping 15 million units during the same period.

PC sales were down 15% when compared to the same quarter in 2010, and according to Gartner, that's because us Brits are keeping an eye on our cash and choosing to use tablets and smartphones instead. However, while Apple may call this the "post-PC era," that isn't quite the case here in Britain. According to the research firm, it's not that we're not using PCs, we're just not buying them.

Isabelle Durand, principal analyst at Gartner, says that rather than purchasing new PCs, we're holding on to our old ones and focusing on tablets instead:

"Most [UK] consumers continue to hold back spending on PCs by extending life cycles on existing PCs and purchasing other devices.

"PCs are not attracting consumers' disposable income, particularly in light of alternative devices.

"While remaining an important device to consumers, there are few compelling technological reasons to drive PC replacements."

There was some growth in the PC market, however, despite only 2.5 million sales. Samsung, and of course Apple, were the only two companies to enjoy growth in the U.K. PC market, while Acer felt the biggest impact with a staggering 47% decline.

For a large proportion of PC users, particularly those that use them for business, PCs will always be difficult to replace. But for the majority of casual users, tablets are a suitable substitute for everyday tasks, and are often significantly cheaper.

Have you replaced your PC with a tablet yet?

[via TechRadar]