Chromoly did some cool add-ons for 2.53 and higher!!! Thanks to him very much!!! Hi did life of a modeler much easier.
Bevel - like in 2.49 tool!!!
Vertex Align - some tools like in wings3d!!! MUST HAVE!!!
Thanks to him again. Unfortunatelly, did not find his web page. If you know, please, tell me.
And for linux/mac just copy some files from windows version: