More prominantly mention ppc support, more accurately describe its status

release primarily improves the <a href="#codequality">performance of the

code</a> produced by all aspects of the LLVM compiler, adds many <a

href="#newfeatures">new features</a>, <a href="#bugfix">fixes a few

bugs</a>, and speeds up the compiler.</p>

bugs</a>, speeds up the compiler, and introduces a new (experimental)

PowerPC code generator.</p>

<p> At this time, LLVM is known to correctly compile and run all C &amp; C++

SPEC CPU95 & 2000 benchmarks, the Olden benchmarks, and the Ptrdist 

<li>Intel and AMD machines running Red Hat Linux and FreeBSD (and probably 

    other unix-like systems).</li>

<li>Sun UltraSPARC workstations running Solaris 8.</li>

<li>PowerPC-based Mac OS X boxes, running 10.2 and above.</li>

<li>Intel and AMD machines running on Win32 with the Cygwin libraries.</li>

<li>PowerPC-based Mac OS X boxes, running 10.2 and above.  Note that no JIT

support is available yet, and LLC support is beta.  The C backend can be used

to produce stable code for this platform.</li>

</ul>

<p>The core LLVM infrastructure uses