ok, i know there are many "i have $X, what should i get?" forums. i apologize if there are too many, but what can you do. i am currently awaiting my tax refund, roughly $400. plus i may have 200 soon to add to it, so total amount 600 at the most! i am looking to get a very effeicient cab that can handle extreme lows, for good low end. i will probably pair it most of the time with an ampeg 8x10, but for smaller gigs i am hoping to use the cab i get alone , as the 8x10 is a monster. i hear good things about epifani, berg, eden, and all those expensive companies. im not sure if what i want can be bought with the money i have. i was originally looking to get a 1x15 but the last one i bought wasnt very efficient and couldnt handle my lows at high volumes. i am thinking an 1x18 would be good to pair, but not so good alone. then i thought of the avatar 2x12, but its tuned to 50 hz, would that kill my low end? a 5 string is 31 hz, plus i drop the B and E for A and D. so im not confident that this cab will do much for me. i also look at hartke, maybe a 4x10 xl or the 2x10, since their tuning is lower (at least on paper) but would adding a 2x10 make much more low end difference when used with an 8x10? i cant drive a car (due to bad vision) so trying out cabs is fairly difficult since there are very few local shops, and most dont carry a good variety. so im not sure the difference between a 2x10 and a 2x12, which would be better for my situation? i know 2x12s are more "full range" but i like the growl of 10s even though im going for low end than mid range, which would be more effective in handling low end and efficiency? i know i may be silly but im hoping to match the efficiency of the ampeg, but more low end. im not sure how to explain it but i know what im aiming for. sorry for running on, please give your suggestions. my current amp is a Carvin R1000, 350 watts a side 4 ohm or 1000 watts bridged 4 ohm. thanks in advance for any help.