In addition to the previous PC trainers we posted about, here are two new ones. Once again just run one of these alongside the game, Alt+Tab out and choose your options.

Download Proper +10 Trainer (10KB/RAR) - Health, ammo, money, wanted level and other switches.
Download ReVOLVeR +13 Trainer (92KB/RAR) - God mode, unlimited time, money and respect, toggle wanted level and cops.