Attached Link: Cloting and Props made in Carrara

As many have already said, you should try the demos, because some modeling programs will fit the way you think better than others. The first real modeling I ever did was in C4D, I tried 3DS Max, Lightwave, and Rhino first. Rhino was OK, but C4D really fit the way I think, and was much easier to learn and use. I also like (and use) Hexagon (v1), it plays very well with Poser (doesn't re-order verticies, which means it can be used for making morph targets, and can easily handle importing the full V3 mesh as a base to model cloths on), was real easy to learn, and is very simple to use.  I don't have Hex2, so I can't say how well it works.

I use Carrara too, It has a very powerful spline modeler, a good vertex modeler, plays well with Poser, and has a lot of other very nice features including a fantastic render engine, powerful shaders, and good terrain/landscape tools.

You should definitely take a look at some of the free modelers mentioned here too. Wings3D seems to be a favorite and can do UV mapping for texturing too. Blender has a lot of features if you want to go beyond modeling, but for most people it isn't easy to learn.

Silo is another low cost modeler that is easy to learn and use, but the current version (1.4?) re-orders model verticies, so it isn't a good solution for creating morph targets (may change with the release of 2.0).

The bottom line though is that the modeler you chose needs to fit the way you think, or you will never be comfortable modeling. The high end programs (3Ds, Maya, etc.) will have a very steep learning curve, and typically are not the best choice for a beginner. I recommend that you start your quest to find the perfect modeling software with the free and low cost applications. Once you learn the basics, you be able to better evaluate if purchasing a high end product would be a good invesment. 

Utimately, it's not the software, but the talent of the user that makes the difference. Any of the modeling software mentioned in this thread can make great models for poser in the hands of a talented user.

Oh, for UV mapping you should take a serious look at UVmapper.  It's a great product for the price, and can often fix problems with a obj file that the would be very difficult and time consuming to fix in your modeling software.

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