Give it more time. For some people, it take longer and for others it doesn't. Don't give up now!
All that hard work will be for nothing.
5 years ago, I was in the same boat as you. I was on an "old HP", that was on it's last legs, but I stuck it out, kept skinning and helped out any way I could.
It took me 5 years to become a Master and I know other people did it in way less time.
You should do like this one guy is doing (name withheld on purpose). He said about the same thing you did and was told "To be a Master, not only must the user be a significant contributor to the community, but instrumental to the day to day life of WinCustomize", and he's taking it seriously. 9 out of every 10 pages I go to, this person leaves a comment or "tries" (I use the word loosely) to help people out. Thier one main goal is to sell skins. This person will probably be a Master in 6 months. They will probably show up here any second and leave a comment, if they already haven't, while I'm typing this.
Keep up the good fight....