TRW is a brand from days gone by....but the same basic parts are available as Speed-Pro. I arn Speed-Pro for 12 years before starting Survival Motorsports - so I know a little bit about the products....
The alloy used in Speed-Pro is 4032 with 11% silicon - - the same is available from Probe in a 460 piston - but not a 429. Hypers will work OK in many engines - but I don't personally care for them. Its not a matter of strength - its just what happens when they do fail - it's pretty ugly. Speed-Pro might be the only rational forged choice from an economy perspective.
I think Brian at AD Performance had a bunch of 429/460 press fit Eagle rods for sale really cheap. He's a competitor of mine - so be sure to tell him I sent you. He'll be surprised. By the time you recondition stock rods and replace the bolts the Eagles will be a better deal.