To bobble or not to bobble?

Since I have been home I have been trying to sort out a few things in readiness for my impending move to England.  While sorting through some bits and pieces I found the leftover balls of wool from the scarf I finished at the beginning of the year.  I decided that I had enough to crochet myself one of those cute little 'beanie' hats to wear with my scarf.  I spent a very relaxing evening watching television and crocheting and here is the result.

I was pleased with my hat and, I love the way it compliments my scarf but, I still had a few scraps of wool left, so I made a bobble.

I pinned it to the top of the hat and tried it on but I'm not sure whether I like it or not.  I think for the moment I'll wear it without the bobble and see how I feel about it in a week or two.  I'll keep the bobble somewhere safe in case I decide that it would look better with it!  What do you think?