What's the deep difference between App::import and ClassRegistry::init?

Hi Guys,

Before continuing, I have a basic understanding of what they do (and
their syntax), but have hit upon something I find strange, and
worrying.

I needed to import a foreign model into a controller and initially
tried this:

App::import('Model','Category');
$cat = new Category();
$cats = $cat->find('all', array('conditions' =>
array('Category.status' => '1')));
$this->set('categories', $cats);

What I discovered when I tried to access the data in a view (and
debugging) was that $categories['Category']['title'] did not work, it
failed. Debugging showed me that in fact it was being returned in
lowercase, so I'd have to use $categories['category']['title'] (note
lowercase c). This wasn't acceptable as I wanted to reuse an *element*
I'd created for the original Category controller set and views.

So after some searching I discovered and tried this:

$cat = ClassRegistry::init('Category');
$cats = $cat->find('all', array('conditions' =>
array('Category.status' => '1')));
$this->set('categories', $cats);

...which worked perfectly, however I'm using Cake 1.3 and the entry
for this indicates (though I'm not 100% sure on this) that App::import
is preferred, and that ClassRegistry may be deprecated.

So have I screwed up App::import? Can I get a sanity check on the
code?

Should I be concerned about using ClassRegistry::init?

Thanks in advance for any pointers,

Adam.

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