Peavey 5150, 5150 II and 6505

so which one should i consider buying once i have enough money? what's your recommendation?

The 6505 Plus features six 12AX7 preamp tubes and four 6L6GC power amp tubes, with presence and resonance controls and three-band EQ for taming their notorious tone.

6505 Series amps feature five 12AX7 preamp tubes and four 6L6GC power amp tubes, with presence and resonance controls and three-band EQ for taming their notorious tone.