speakers with balls

Prog rock and any other music 
jbl 4425 or 4430 depending whether you have room and SVS 4000 sub you will be satisfied, if you have old ears add 2404 for extra highs. I am a rock and prog drummer. I was never satisfied until these. You can experiment high passing the JBL's around 60hz or full range. 
You will not be disappointed 

I have a pair of PSB Imagine XBs that really rock for bookshelfs. I imagine their towers would be a much bigger dose of the same.

http://soundstagehifi.com/index.php/equipment-reviews/821-psb-imagine-x2t-loudspeakers

+1 for the Monitor Audio Silvers. I still have the 8s. They will play loudly! I have them in a third system because I like the sound of my Vandy 2Cs so much better for my main system, but I will admit the MAs are better at playing above 95 dB if that is your thing. 

I had a pair of jbl 250ti's. 4 way, 14" woofers with 20 lb magnets, 500 watt McIntosh amp. That would rock you.
 

You've got amps with balls so if it were me I'd look for a speaker with a toast one 12-15 inch woofer ,I've owned every last model of the Klipsch heritage line ,best bang for the buck is a pair of Klipsch Cornwall 2's in good shape ,if the horns are too bright it's a simple $2 fix to smear some cheap silicone on the tweeters inner throat ,same with the mid horn ,I find Cornwall a bit Brite and must damp the tweeter ,that aside with 250 watt mono blocks you can blow your windows out ,or enjoy quiet passages from modern classical I listen to a lot ,you will find zero benifit in buying the Cornwall 3 except an extra $4 grand ,if Cornwalls are too big then Heresy 3's are an excellent choice that won't break the bank ,and can use all those extra watts , Heresy 3s do not do well on stands ,if you have wood floors you can damp the bass with a towel under the heresys slanted riser ,best thing about Klipsch heritage line is they are like Mcintosh gear ,if your unhappy you can flip within a month and not lose a dime .

If you have a few thousand to spend and have the room then the 4 piece Mcintosh XRT-22 line arrays are the best you'll hear at any price and the 250 watts will drive them perfectly .