Altiverb 7 is efficient on the cpu, offers many parameters to tweak reverb, is total recall automatable, and has 64 bit support. It uses top quality samples of real spaces to create reverb, ranging from Sydney Opera House to the cockpit of a Jumbo Jet.
ALTIVERB 7 ADDITIONAL LICENSE DISCOUNT FOR MAC OS X
In fact, if you really think you want Altiverb 6 for Win and wanna wait for v7, I'll sell you mine for at least half price of what it would cost you new, and make sure you get the proper license transfer thrown in (if they allow resale. Audio Ease Altiverb 7 is the industry standard convolution reverb plug-in for Mac OS X and Windows. All totaled, about the same price Altiverb 6 for Win would cost you alone, with much better results.
You'd be set for about anything reverb wise. 2cAudio's B2 reverb would be hard to beat. And for a great sounding algorithmic reverb.
get Acustica Audio's Nebula 3 Pro and VNXT reverb sets. They seem to have continuing bugs with v7 for Mac going on for the year it's been out. Even then, I'd think about waiting until all the bugs are out. I wouldn't touch Altiverb until v7 圆4 is out. I've have a different opinion of them now. When I purchased, I really thought they were a company well on top of their game. That means no new spaces for Windows users for over a year. In the meantime, all their new reverb samples for over a year now, only work with Altiverb 7. The Altiverb 7 for Mac has been out for close to a year now, with the promise of 7 for Win "soon". Over a year later, they have yet to release Altiverb 7 for Windows, which will be (if it ever arrives) the 圆4 version. I purchased over a year ago, mainly for the cool, cheap sounding spring reverb tanks.