The Concrete Limiter is really good.
 
It is worth getting when it is on special next time.

John called out Boost11 and I was gonna pile on but see, I didn't.

Concrete Limiter was one of my best purchases. I use it on just about everything I DIY master. 
If CA-2A is part of the sale I'm hoping to finally score that one too.
 

I recently got Concrete Limiter on sale for a great price, and it's well worth it.  Sounds better than Boost 11, and I could never get the Blue Tubes ones to do what I wanted them too without stuff distorting for some reason.  CL is easy to use and sounds great.

I just revived VC64 (Vintage Channel) from a former version of Sonar.. Man, this all in one plugin is a beast! Gate comperssion, EQ, Keying, bi-level processing inter rooting, opto compression mode option etc etc.. Honnestly I do not know what this pluging can be lacking compared with the PC modules... You can put this plugin on a main vocal or snaredrum and do whatever yoou want with it...

The thing I like most about the Pro Channel is that the plugins are all right there in the track view, and visible without having to open each one to change their settings. It's a work flow thing. You can see exactly which plugs are on what channel, at a glance. Sometimes if I have the same plugin (an EQ for instance) on seven or eight tracks, I start to forget which EQ I have open is for which track.
Then there is the option of having two FX chains that can be swapped as to which you want first, the FX bin or the PC
 
Most of the PC plugins are duplicated, or have an equivalent in the FX bin anyway, so it's really just that workflow thing for me.

The only person who can answer the question is something worth it or not is that person, you. If you were to ask me, I would say no. I purchased them all except for the VKFX or whatever they are, and for me I never did use them, I could always get better and quicker results using other 3rd party plugins, YMMV
 
[Edit] Then again, I believe I seen them on sale for $19 or something, that may be different, I think when I purchased them they were $79 or something, one may have been $49, can't quite remember, would have to check receipts
 
[Edit 2] Then again, again, if you were referring to stuff like the Boz stuff, I can not comment because I have never used or owned them. But by all accounts they are supposed to be pretty good, I was just referring to the Cakewalk ones

Richard Cranium
The only person who can answer the question is something worth it or not is that person, you. If you were to ask me, I would say no. I purchased them all except for the VKFX or whatever they are, and for me I never did use them, I could always get better and quicker results using other 3rd party plugins, YMMV
 
[Edit] Then again, I believe I seen them on sale for $19 or something, that may be different, I think when I purchased them they were $79 or something, one may have been $49, can't quite remember, would have to check receipts
 
[Edit 2] Then again, again, if you were referring to stuff like the Boz stuff, I can not comment because I have never used or owned them. But by all accounts they are supposed to be pretty good, I was just referring to the Cakewalk ones

In another thread (http://forum.cakewalk.com/FindPost/3320566) you mention having uninstalled all versions of Sonar and using other DAWs now, so clearly you are biased. I wonder why you continue to come here and offer opinions when you are no longer a user of the product.

Clearly you are biased, and just whistling dixie. I am just telling it how it is from my point of view.

Why I continue to come here Sherlock, apart from it being none of your business, I have explained in a couple of threads, use your investigative powers to search them out.