Don't even think about dropping Boozer for Ridnour. Milwaukee is always up in the air about their point guard situation, and you'll kick yourself later in the year if you make that move. As far as the trade, Howard is better than Turkoglu in virtually every category except threes, so I'd make that deal in a heartbeat.
And hey- I don't know if you've ever heard of Rotomania.com before, but we now allow members to add their fantasy basketball teams to their Profile pages.
Would you mind being one of the first fantasy basketball fans to sign up and test out the site? Whenever you ask a trade question, your lineup automatically gets displayed so people can check out the rest of your team. You can also get your team rated on a numerical scale by creating a "Pimp My Team" post.
Here's an example of a recent trade involving Turkoglu that's up for discussion right now: