Visual Editor en Eclipse

Hola, gracias por la respuesta, he tratado en la versión helios y galileo y no he podido.

Al intentar instalar desde el programa (HELP->INSTALL NEW SOFTWARE->VE....->NEXT), me ha tirado este error en las dos versiones (helios y galileo)
Código:
Cannot complete the install because of a conflicting dependency.
  Software being installed: Java EMF Model SDK 1.4.0.v20090826-1446-377-84M2IaeLhpiUslQArckxjIhH (org.eclipse.jem.sdk.feature.group 1.4.0.v20090826-1446-377-84M2IaeLhpiUslQArckxjIhH)
  Software currently installed: Eclipse IDE for Java Developers 1.2.2.20100216-1730 (epp.package.java 1.2.2.20100216-1730)
  Only one of the following can be installed at once: 
    Java EMF Model Utilities 2.0.200.v200905140200 (org.eclipse.jem.util 2.0.200.v200905140200)
    Java EMF Model Utilities 2.0.201.v201001252130 (org.eclipse.jem.util 2.0.201.v201001252130)
    Java EMF Model Utilities 2.0.200.R3_1_maintenance (org.eclipse.jem.util 2.0.200.R3_1_maintenance)
  Cannot satisfy dependency:
    From: Eclipse IDE for Java Developers 1.2.2.20100216-1730 (epp.package.java 1.2.2.20100216-1730)
    To: org.eclipse.epp.package.java.feature.feature.group [1.2.2.20100216-1730]
  Cannot satisfy dependency:
    From: EPP Java Package 1.2.2.20100216-1730 (org.eclipse.epp.package.java.feature.feature.group 1.2.2.20100216-1730)
    To: org.eclipse.wst.xml_ui.feature.feature.group 0.0.0
  Cannot satisfy dependency:
    From: Java EMF Model 1.4.0.v20090826-1446-7H-FPbAcggQleH8hJifHfUd (org.eclipse.jem.feature.group 1.4.0.v20090826-1446-7H-FPbAcggQleH8hJifHfUd)
    To: org.eclipse.jem.util [2.0.200.R3_1_maintenance]
  Cannot satisfy dependency:
    From: Java EMF Model SDK 1.4.0.v20090826-1446-377-84M2IaeLhpiUslQArckxjIhH (org.eclipse.jem.sdk.feature.group 1.4.0.v20090826-1446-377-84M2IaeLhpiUslQArckxjIhH)
    To: org.eclipse.jem.feature.group [1.4.0.v20090826-1446-7H-FPbAcggQleH8hJifHfUd]
  Cannot satisfy dependency:
    From: WST Common Core 3.1.1.v200908102300-7B77FZ3F7RZHIVI9QdN4PM (org.eclipse.wst.common_core.feature.feature.group 3.1.1.v200908102300-7B77FZ3F7RZHIVI9QdN4PM)
    To: org.eclipse.jem.util [2.0.200.v200905140200]
  Cannot satisfy dependency:
    From: WST Common Core 3.1.1.v200908102300-7B77FZ6F7RZHKDIwRlOwUN (org.eclipse.wst.common_core.feature.feature.group 3.1.1.v200908102300-7B77FZ6F7RZHKDIwRlOwUN)
    To: org.eclipse.jem.util [2.0.201.v201001252130]
  Cannot satisfy dependency:
    From: WST Common UI 3.1.1.v200908102300-7B5FRGDhdMNPnndenAjpWJAReO5Q (org.eclipse.wst.common_ui.feature.feature.group 3.1.1.v200908102300-7B5FRGDhdMNPnndenAjpWJAReO5Q)
    To: org.eclipse.wst.common_core.feature.feature.group [3.1.1.v200908102300-7B77FZ3F7RZHIVI9QdN4PM]
  Cannot satisfy dependency:
    From: WST Common UI 3.1.1.v200908102300-7B5FRHDhdMOGnoekn4gtEJxSmPxV (org.eclipse.wst.common_ui.feature.feature.group 3.1.1.v200908102300-7B5FRHDhdMOGnoekn4gtEJxSmPxV)
    To: org.eclipse.wst.common_core.feature.feature.group [3.1.1.v200908102300-7B77FZ6F7RZHKDIwRlOwUN]
  Cannot satisfy dependency:
    From: Eclipse XML Editors and Tools 3.1.1.v200907161031-7H6FM_DxtkM-7aeTHKEBbQqcZOZ2 (org.eclipse.wst.xml_ui.feature.feature.group 3.1.1.v200907161031-7H6FM_DxtkM-7aeTHKEBbQqcZOZ2)
    To: org.eclipse.wst.common_ui.feature.feature.group [3.1.1.v200908102300-7B5FRGDhdMNPnndenAjpWJAReO5Q]
  Cannot satisfy dependency:
    From: Eclipse XML Editors and Tools 3.1.1.v200907161031-7H6FMbDxtkMs9OeLGF98LRhdPKeo (org.eclipse.wst.xml_ui.feature.feature.group 3.1.1.v200907161031-7H6FMbDxtkMs9OeLGF98LRhdPKeo)
    To: org.eclipse.wst.common_ui.feature.feature.group [3.1.1.v200908102300-7B5FRHDhdMOGnoekn4gtEJxSmPxV]