[ponkikki]

I almost posted like this:

I think there isn't any difference between the two sentences.

After reading masaegu's post above however, I am embarrassed at what I might had posted .
Masaeguさん, your post makes a lot of sense, Japanese is my mother tongue though.
Your contribution to this thread is not only useful for Japanese learners but also for English learners like me (even as to Japanese, again which is my native languege as well as English).