I thought I would give this a go as a review (hope you don't mind Darren). Feel free to add your own thoughts and note that the comments are just my opinion and may not reflect the views of others.
The quality of the PDF is (as usual) of a high standard. The file size alone indicates the quality of photograph used. Each photo is clear and goes a long way to helping understand the accompanying text. Dylan has a unique style of writing and there are a number of little jokes to keep you amused along the way.
I have found that the balloon inflation is often (but not always) generous and there is often still balloon to play with. This point is important when making the head and in particular the two long (rabbit ear like) bubbles near the start. I used Dylan's suggested length but found this was not really enough and made the tricky part of the head design even trickier (the bit with the 160q). If I were to do this again, I would certainly make each one a little longer. As for the tricky 160 part of the head design, you do need the balloon inflated as suggested and possibly stretched, as again I felt my ear section could have been bigger as my ears are not as prominent as Dylan's. (I have played about with them and made them more prominent by simply adjusting their position - held in place by friction)
Beyond the head, everything here works really well and despite my relative amateur abilities, the whole thing comes together really well.
I did not do the ball of wool due to a lack of pong pong ball but the instructions are clear and it would certainly add that extra something to the overall effect (which is already great).
This is another superb design by Dylan and well worth the $12 dollar ticket price. A must have for your collection.

Hi Stuart

Thanks for your excellent review - you beat me to it! It is wonderful to see someone else contribute such a detailed review.

So now I've made it I may as well add my comments....

As usual Dylan's PDF is of very high quality. Plenty of photographs, easy to follow instructions and humorous throughout. I have to agree with Stuart that the 160Q for the cat's ears needs to be longer. I ended up just using two 160Qs which worked fine. I really like the body design. The front and back legs are excellent and this body can be used for any animal. The balloon itself sits very nicely.

Dylan produces some of the best PDFs on the market - a must have for every collection.

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This is my first go. Great PDF