Phono Pre Kit Builders:Thoughts & Recommendations

I see a few different phono preamp kits and designs out there and am interested in opinions and comparisons before I jump in. I am currently using a modified Grado PH1 based on the OPA2134 opamp (originally it had a NJM4556AD) and love the sound. BTW, since I changed the op-amp, I am hearing things on my records that I never heard before (Pink Floyd WYWH for example). This is a very simple, straightforward design with lovely results. I plan on rolling other op-amps into the PH1 because it will be cheap enough, but would also like to try out other design philosophies as well. Other designs have multiple stages, split stages, discrete components, etc.. I am interested in opinions, reviews and comparisons, mainly because I don't want to waste my time and money only to end up with a lateral "upgrade". The Hagerman Bugle is something I have considered, as well as the Boozhound Labs BHL JFET Phono Preamp kit. Either of them are cheap enough to build and audition myself, but I'd rather get some opinions first. Tube based kit recommendations are also welcome.
Associated equipment: Grado Statement Sonata1 low output (0.5mv) cartridge (so I need at least 50 db gain). Sound Valves VTP 101 preamp (which has phono section using three 12ax7's but doesn't have enough gain for my cartridge), an Aragon 2004 power amp and Large Advent Speakers. I like to listen to rock and classical music, and I like the sound crisp, punchy and smooth, which is why I believe in mixing solid state and tube equipment.