What are some alternatives?
When comparing Clic (Vintage) by BlaizEnterprises.com and icon sushi, you can also consider the following products
Icono Maker - Icono Maker is an icon maker for Windows.
RealWorld Icon Editor - Create Windows icons and Mac OS icons from images and 3D models in an integrated icon maker.
IconXP - IconXP is an icon creator to edit icons. You can make icons for windows XP with this icon program.
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
Icon Generator - Icon Generator is a little application built on AIR that lets you generate a CS5 or Web 2.
IconLover - Icon editor for Windows.