The Topaz Lens Effects plugin is available immediatedly, and compatible with a variety of imaging applications on the Windows or Mac OS platforms, including Photoshop CS3 - CS5, Photoshop Elements 6 - 9, Paint Shop Pro, Photo Impact, and Serif Photo Plus, as well as Aperture 2 or 3, and Lightroom 2 or 3.
The full list of effects that can be simulated by the Topaz Lens Effects plugin includes bokeh, vignetting, fisheye, miniature, tilt-shift, chromating aberration, motion, dual tone, and "old school", with this last effect combining several of the other effects.
Topaz Lens Effects is ordinarily priced at US$79.99, but can be purchased at a discounted price of US$49.99 through May 27, 2011, with the coupon code "lenstastic". More details can be found on Topaz's website.