i love the mini recto line and have a roadking. The mini recto line to me sounds a little better because the el84 is warm and mid heavy. It does both clean and metal. I think the weak spot in the recto line is that it doesn't sound as good for the in between sounds. Every now and then i like to dial back the distortion and the recto doesn't do it for me.
I love the Engl stuff. The powerball and fireball and Ironball are all great amps. They sound similar to Mesa's recto but take a little more dialing in. That said they cover the full range of distortion very well. I love the in between tones.
I would consider the ENGL stuff myself. I am thinking about going to a Mark IV or V, maybe a lonestar, or an ENGL. I also am really digging the 5150 III.
I'm in a similar postion to j.arledge here - I've played the Mini Recto, loved it, haven't gotten a chance to sit down with a Rectoverb 25 yet, but I understand the preamps are identical. I also own a Roadster, which is voiced similarly, but not identically, to the Road King, which I also absolutely love.
First, the Rectoverb is NOT a quiet amp, especially at 25 watt mode - you can run it with the volume low, but it's not really designed to be a quiet late night practice amp. Disclaimer - I use my Roadster as a quiet, late night practice amp, so whatever.
I'd also forget terms like "Fender cleans," as while the Recto is definitely closer to a Deluxe than a JCM800, it's definitely its own beast - it has a "Rectifier clean." To my ears, that's actually not a bad thing at all - I thought the Mini Recto's clean channel kicked ass in Clean mode, and Pushed was both fun for some crunchy chording, and with a Strat would work passably well for Texas blues even at lower volumes.
While the Mini Recto will do metal, it's not as heavy as its larger bretherens. Simply, a 25 watt EL84 poweramp section sounds awesome, but it has neither the massive headroom nor the punishing low end of a 100-watt 6L6 section. For me, it was definitely a little more of a rock amp - heavy, but a little more raw and snarly than the deep chunk you associate with a Recto. Again, not a bad thing - it was a great sounding amp in Modern mode/25 watts, and I suspect it'd record fairly well.
Lower the wattage to 10 and switch to Vintage mode, however, and you have a KILLER lead sound. It's still basically the same overall character as the Vintage mode on a Rectifier, but the lower wattage sort of rounds out the high end and shifts it a little more into the midrange even at low volumes. This, a strat, the gain at maybe 1 o'clock, and a delay pedal (I think the Rectoverb has a loop while the Recto Mini does not) would be an absolutely kickass rig for a David Gilmour sort of sound.
If I didn't already own a Roadster and like the greater flexibility/switching options, I'd absolutely be lusting over a Rectoverb 25 right now. It's a killer sounding amp and at the end of the day its not like I'm doing Nevermore covers or anything.