I really like the Glue for drum buss and Master buss as well. I usually drive it pretty good with a few db of gain reduction and use  the mix knob to blend that in with the dry signal for rock type material.

I will add that the PSP Old Timer is NOT transparent ... so if that is what you are looking for Old Timer is probably not a good choice but again I love it.
 
The other thing I really like which is pretty easy to do is I use NY style compression.  There are a couple of ways to route things but I usually set up a send at the drum buss and then send that through 2 stacked Sonitus compressors to CRUSH the drum mix ... and then ever so slightly, feed the crushed drums back into mix.  The idea there is not to lower the peaks but to raise everything else.

I use the same compressor for drum busses as I do for master busses, vocals, bass and piano. I don't believe in separate products for every application. Just get one that's versatile enough to handle almost everything and take the time to get really comfortable with it.
 
For me, it's Fabfilter Pro-C, but it could as easily be one of a dozen other products that are similarly capable.
 
When shopping, look for compressors that offer these essential features:
- side-chaining
- wide range of attack and release times
- a wet/dry mix knob
- optional automatic release time calculation
- continuously-variable channel linking
- oversampling
 
Non-essential but good features for a do-it-all compressor candidate:
- continuously-variable knee
- automatic gain compensation
- RMS detection
- customizable attack and/or release curves
- Mid/Side processing
- Look-ahead (if super-fast attacks are supported)
 
A few other products that meet these criteria include Blue Cat Audio's Dynamics, DMG Audio's Compassion, and Meldaproduction's MDynamics.
 

I like The Glue for the master bus when mixing, but for drums, I love the Waves SSL. It's more than just a compressor, but I find it incredibly easy to find the drum sound I'm looking for.
 
Regards,
Dan
 

+1 for FabFilter Pro C, great compressor (I'm a student, so luckily I qualify for educational discount...), and +1 for using the same tools over and over so you become familiar enough with them that you can actually utilize their features.
 
If you're not looking to spend though I highly recommend Variety of Sound:
 
http://varietyofsound.wordpress.com/vst-effects/
 
Incredibly usable freeware, before I got the FabFilter stuff I used the VOS plugins all the time - still do sometimes, they have a certain crispness to them that is hard to get elsewhere...

Has anyone tried the Tokyo Dawn TDR on Bass Guitar tracks?

How about the good ol' LP-64 multiband compressor right in Sonar?

Now that it's out, the Plus 10bB Compressor
Sounds great on the drums buss!
$65 until midnight tonight...

I feel guilty for not using the Native Instruments Vintage Compressors enough. They're really good and I keep forgetting I have them. Maybe I'll try them on a drum bus tonight.

Don't know if it was meant to be used for drums but the best compressor for me is PSP Oldtimer. It has the three crucial things for me like Ren Comp does: ease of use, fast to dial in, sounds great.