1. Any questions:
email: 
178502261@qq.com

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2. useful site:

smartgwt
http://code.google.com/p/smartgwt/

gwt
http://code.google.com/intl/zh-CN/webtoolkit/articles/using_gwt_with_hibernate.html

http://noon.gilead.free.fr/gilead/

http://www.javacodegeeks.com/2010/05/gwt-2-spring-3-jpa-2-hibernate-35.html

http://forums.smartclient.com/showthread.php?t=4735

http://www.wideplay.com/guicewebextensions2

http://code.google.com/p/gwtupload/downloads/list

http://www.stringtemplate.org/

Guice vs. Spring - Round 3 
http://www.javalobby.org/java/forums/t103070.html

gwtp *****
http://code.google.com/p/gwt-platform/

Guice note
http://blog.csdn.net/escaflone/article/details/5694108

Code Splitting 
http://code.google.com/webtoolkit/doc/latest/DevGuideCodeSplitting.html

getting-started-gwt-platform
http://uptick.com.au/content/getting-started-gwt-platform-part-2

Sending modified datasource back to server via GWT-RPC
http://forums.smartclient.com/showthread.php?t=4183

ListGridRecord 
http://www.smartclient.com/smartgwt/showcase/#featured_master_detail

RPCManager
http://www.smartclient.com/smartgwtee/javadoc/com/smartgwt/client/rpc/RPCManager.html

smartgwt-extensions *****
http://code.google.com/p/smartgwt-extensions/source/checkout

Compiling from Source
http://code.google.com/p/smartgwt/wiki/BuildingFromSVN