The hard(ware) and soft(ware) of it

Apple Inc, is involved in lawsuits relating to the use of its operating system software on computers with PC hardware. According to this article "German Mac clone maker claims immunity from Apple" is selling Intel loaded computers with Mac OS X operating system software pre-installed. An entry-level computer sells for about $643, relative to the entry-level iMac selling at $1199. The issue is that the end user license agreement (EULA) for the operating system 'forbids' the user from installing the software on non-Mac hardware.

But for Apple's valuation, we have a bigger issue in play, what happens if the anti-trust lawsuits prevent Apple from 'forbidding' the installation of their software on non-Mac hardware? Is the EULA an effective barrier to entry?

Clearly, Apple's strategy is likely to remain the same - product differentiation - rather than them trying to compete in low cost alternatives. Does this news, however, change your expectations of future ROE for Apple? How would you expect the profit margin and asset turnover ratios to change in the next few years? How would this affect your forecasts?