Major trademark problems although tm domains do sell in the secondary market you have the potential for a lawsuit. In the case of warnerbrothers you don't have a defence as it is an obvious tm. Ab ripper is a dictionary tm so you would have a much better case.. plus this has very nice search traffic.
Keyword | Domain | All Keywords | Domain Length | Google CPC | Average CPC | High CPC | Exact Local | Exact Global | Wholesale Price | Retail Price | High Retail Price
ab ripper x | abripperx.com | ab ripper x, ab ripperx | 9 | 2.18 | 1.72 | 2.01 | 18,240 | 22,410 | $999 | $1,999 | $170,742
warner brothers | warnerbrothers.us | warner brothers.com, warnerbrothers.com, warnerbrothers, warner brothers | 14 | 1.25 | 2.05 | 2.19 | 34,070 | 62,360 | $349 | $399 | $818