if you want to sound like a big loud amp but only have a fender DRRI, the catalinbread foundation series are pretty good, particularly the DLS which is the best tuned brown sound in a box I've ever heard.... the mk2 and later really get close to my old superlead if that's your thing
I was quite partial to the zvex distortron and box of rock for a while. Pretty nice sounding circuit. I actually like the cheaper distortron better, the box of rock has that extra boost I never used and no low end tailoring, whereas with the cheap red version its 1 simple button and a switch to change the input cap spec so that it passes more or less lows to the 1st mosfet allowing you to really match the bass response of your amp's coupling caps.... this ting sounds better with a marshall or fender than a vox to me, but it works well with voxes, sure, just didn't produce 'my sound', though its apples and apples and maybe only I could hear it. Also, this particular pedal sounds great in front of cheap solid state amps in a pinch. I used to loan her to the singer of my bar band in MD to tube up the sound from her pitiful fender SS amp. If you set it really low you can simulate a nice 'rock n roll clean' tone with a smidge of grit and ten stick a dumb boss pedal out front for distortion like this singer used to (though she also wound up borrowing more of my stuff as I pretty much would just run right into an ac30 or this great little Gibson tweed deluxe type amp I had at the time and just work my volume knobs or kick on a fat clean booster... dude her gear sounded like ass, but her playing was so bad it was really polishing a turd to fix up her sound)
In the TS808/9 and SD1 camp I really like the MXR Custom Badass OD with the 100hz knob, just enough extra options to make that whole softclip circuit work well in front of ANY amp
you still can't go wrong with a fullton ocd or that EHX OD glove that's also based on the old voodoo lab OD, pretty solid all 'rounder
I have always and will always love pedals based on craig anderton's tube sound fuzz circuit, particularly the red llama
and last but not least? any Klon Centaur knockoff....I got rid of my EHX soul food in a big trade, but I would get another one or just build my own PTP klon clone.... I might play around with the abss tailoring options, maybe put the Ge diodes to the opamps bias potential instead of to ground like an OCD to get the klone even more dynamic in the clip department.... and also play around with the IC.... the stock stuff has an amp like slew rate when you start overloading the actual opamps, however its not exactly low noise or hifi.... there might be some burr brown stuff that sounds better, now that the klon circuit is out there we all know it ain't 'J Rockett" science... sorry about the pun
and then of course the stuff with actual tubes! I really dig on a good tube driver sometimes to add boost and grunt ito an amp on the edge.... and then there's the fyette EF86-based stuff that sounds pretty nice and very full/huge.... if I am going for overdrive I seem tog ravitate to adding more tubes
honorable mention to the sweet honey OD by BJFE/Mad Professor.... my buddy got one early on and swears by it and I must admit I rather like it for some stuff, but tis not a solid all-arounder
right now I purged all my ODs as I tend to just turn my amps up, but in the future I want to pick up a pigtronix fat drive to try out and maybe the new DOD gunslinger and that MXRFET driver jawn
I also get a kick out of the old colorsound overdriver/owerboost, but its almost more of a clean boost OR a fuzz/distortion with 2 band EQ and its very rough sounding in that distortion role, not for the timid
I stll like getting a good fuzz face or tonebender with 2 transistors and just dialing my guitar volume back to produce a nice crunch with a bunch of boost to whack the 1st stage.... but fuzz is not OD even if it can be used that way so I guess that's not a fair answer to your question.... except of course for the aforementioned plimsoul and of course the notorious skreddy screwdriver (I should buy one of those).