3-ch amps vs. mono blocks vs. stereo amp + mono?

A 3 channel amp would be the easiest solution as far as electrical outlets(one plug instead of 3) and space on a stand/rack. Monoblocks might offer the best performance, though with a good 3-channel you'd be hard pressed to hear a difference.

It also might depend on your speaker model, with many types you might not need 200 wpc, or might need a more robust amp if they dip down to 2 ohms for example. Size of room and volume preferences would play a part as well.

I've got an Onkyo 876 that I use as a processor with an Outlaw Audio 7125(125 watts per 7 channels) and it's more than enough volume for my speakers and room. If the Integra has the sound characteristics similar to my flagship Onkyo, they are a bit on the forward or bright side in SQ. If your speakers are also on the bright or harsh side at high volumes, some amp brands could worsen the issue.

So, I got lucky and impulsive over the weekend and solved the amp issue. I found a heck of a deal on an Acurus A200x3 locally and brought it home.

I do like the suggestion of a 2-ch pre with HT pass through...especially since my wife wants me to get into vinyl.

The speakers that I am driving are almost finished and are a custom job by Selah Audio. They are less sensitive than what I have now (and sealed) but the drivers that we selected can take this amp and more...I wanted to ensure that there was ample headroom to get the most out of these speakers. they should end up somewhere between 4 and 6 ohms BTW.

Since I scored on the amp I need to look at some 2-ch pre-amps and see if I can get lucky again.

THX

Budget for your preamp?

$500 or less, new or used.