2speced
2speced is one of the most played servers in the runescape private server community.
Hundreds of players are online at all times. 2speced was created by Tyler & Bluurr and is based off "Deltascape," A base released in late 2008, but it far exceeds anything that the original deltascape could have ever hoped to achieve.
It's constantly being updated and improved, if you want the best then come to 2speced.info
2speced is the best private server ever.