Re: srt6 xfire or srt8 charger
I tried both and decided on the SRT6. I preferred the "cockpit" feel of the SRT6. The SRT8 interior reminded me of a family sedan UNTIL I pressed on the pedal. BOOM! the SRT8 took off like rocket. In hindsight, I could live with both.
By the way, the SRT6 has better city/highway gas mileage by about 10-15%. On the other hand your could fit a ton of luggage in the trunk of the SRT8.
Paulius