As most of you already know, wine supports font smoothing, including subpixel since wine 1.1.12. The problem is, this feature is disabled by default. There are many advices in internet on how to enable it (which includes working out with registry etc).
Credit goes to TiGR article in ubuntu forums
Download this shell script using the following command or from here
Run this script using the following command
Select option 3 from the following screen