Hi everyone, I am from Argentina. Recently I got a central CSi A4 and a pair of RTi A1 (acting as surround speakers). I have a pair of floorstanding speakers Athena AS F1.2 and a receiver Yamaha RX-V350 (100W per channel), and a sub Klipsch RW 10D. I want to upgrade the floorstandings, so I have to choose between the RTi A5 and the RTi A7. I have to do a wise desition because of the prices here in Argentina ( pair of RTi A7, $1600 - pair of RTi A5, $ 1300). The room is 8m W (26,25 ft), 4m D (13,12 ft), 5m H (16,40 ft). Your advice, guys, is welcomed. Thanks to all.