If your looking for similar size and price range to the Soliloquy 6.2 then the Linbrook system II or or Tyler 7U would probably be the best options.
The Linbrook, Tyler and Woodmere all use the SEAS Magnesium for the bass and midrange. Where the Linbrook and Tyler basically differ is in the tweeter. Linbrooks use the SEAS Mellennuim and the Tyler line uses the Scanspeak 9900 Revelator except the minimonitors which use the 9500.
In Ty's opinion the Scanspeak is more extended and smoother, but the SEAS sounds more natural. You can choose either tweeter for the Tyler or Linbrooks.
Since you mentioned more extension and Bass punch being primary goals the Tylers sound just like what you are looking for.
For owner reviews go to Audioreview.com. For professional reviews go to Ecoustics.com and do a word search. Should find all the info you need there.
BW Maxx
The Linbrook, Tyler and Woodmere all use the SEAS Magnesium for the bass and midrange. Where the Linbrook and Tyler basically differ is in the tweeter. Linbrooks use the SEAS Mellennuim and the Tyler line uses the Scanspeak 9900 Revelator except the minimonitors which use the 9500.
In Ty's opinion the Scanspeak is more extended and smoother, but the SEAS sounds more natural. You can choose either tweeter for the Tyler or Linbrooks.
Since you mentioned more extension and Bass punch being primary goals the Tylers sound just like what you are looking for.
For owner reviews go to Audioreview.com. For professional reviews go to Ecoustics.com and do a word search. Should find all the info you need there.
BW Maxx