Snag that Traynor XC410 for sure. Most Traynor 4x10s are sealed cabinets, which is silly IMO. The XC410 is vented, not made anymore. It's pretty much on par with an SWR Goliath II. I've got a Goliath III, kicks the crap out of any 1x15.
SVP-CL + IPR 1600 + SWR Goliath III 4x10 = bliss