Hello, question about re entry Hong Kong

Iam Dutch citzen living in Hong Kong at moment, my tourist Visa Will expired at 13 May 2011.

i came Back To hong kong because my girlfriend. And to find à job.
Is it à problem for re entry Hong Kong .
Thinking going To Macau and Back or stay there à night
down are the dates i came in and out Hong Kong.

Please let me know
thx, Kris

6 nov   2009 / 30 nov 2009
11 oct 2010 / 14 oct 2010
1 dec.  2010 / 18 jan 2011
13 feb  2011/ 13 mei