The dangerous power g3 is a great gun for around $300. The only other gun I can really think of that would be on the same level would be an Invert Mini.
However, the G3 is much more user friendly to the less knowledgable paintball players when it comes to taking it apart and cleaning.
If you want more information go to the Dangerous Power forums here in PBNation by clicking this link. http://www.pbnation.com/forumdisplay.php?f=431