Upgrade All-In-One to full size

[RobinKidderminster]

A friend wishes to upgrade an LG system (approx £300) to a full size system. System of AE Aegis Evos 5-1 on Gumtree for £375 how best to partner this kit with amp/BD?

thanks

 

[RobinKidderminster]

Sorry - budget £400+ though I fear he may need a tad more!