I have the Rockerverb 50 head into 2x12 cab. It a 4 x 6v6 amp and sounds a bit more creamy then the Rockerverb 100 with EL34's. I feel it's really made for strats and tele's. They excel on this amp. The cleanchannel is nice and has enough headroom (at least in my band). You can get nice breakup at 13 o'lc--k. Sound somewhere between Fender and Vox. The drivechannel has four gainstages and will you bring from nearly clean, to Stevie Ray, into classic rock, heavy rock and even metal, depending on the guitar. I installed JJ's 6v6tubes to make it superround and creamy.
You will like the Thunderverb too, which has built-in-attenuation. The 50 watt head is EL34. The two channels are more or less voiced identically and have three gainstages per channel.